Big cities have a major role to play in protecting biodiversity, experts say

Though they are usually seen as concrete jungles rather than normal oases, towns are significantly getting a leadership purpose when it arrives to defending biodiversity.

Cities will get the highlight in the coming days in the course of a summit for subnational governments at the UN biodiversity summit in Montreal, recognised as COP15.

Sharon Gil, a plan officer in the UN Surroundings Program’s metropolitan areas device, states the powerful existence of towns at the convention reflects their rising endeavours to guard biodiversity.

Cities, she reported, are exactly where most men and women live, exactly where most usage comes about, and exactly where several impacts of biodiversity decline are becoming felt.

“Metropolitan areas are at the front line of all the things,” she said. “So when you will find a problem of greater rainfall primary to flooding, for illustration, metropolitan areas have to offer with that. When there is a dilemma of poor air high-quality, cities have to offer with that difficulty.”

Gil claimed that for the first time, the biodiversity framework currently being negotiated by the nations gathered in Montreal has a certain draft concentrate on that includes rising dimensions and obtain to mother nature in city regions.

Gil claimed towns are significantly getting that introducing additional mother nature is great for not only human wellbeing and properly-remaining, but price tag-efficient in conditions of attracting financial investment and coping with challenges these kinds of as air high quality, rainfall absorption and even landslides.

The cities summit, which can take position Sunday and Monday, will deliver together subnational governments to focus on options to secure nature.

‘Montreal Pledge’

Montreal Mayor Valérie Plante has been encouraging her counterparts to indication the “Montreal pledge,” composed of 15 actions that involve expanding protected eco-friendly area, decreasing pesticide use and working to reduce plastic squander. The metropolis also just lately introduced a system to shield pollinators and has promised extra corridors to connect environmentally friendly spaces.

In her opening speech to the convention Wednesday, she urged other orders of govt to hear to urban populations and their mayors and to assist fund their initiatives.

Montreal Mayor Valérie Plante has been encouraging her counterparts to sign the “Montreal pledge.” (Ivanoh Demers/Radio-Canada)

“Towns can do a whole lot,” Plante said. “You just have to help us, invite us to the negotiating table and give us the suggests to act.”

Shin Koseki, who holds the UNESCO Chair in City Landscape at the Université de Montréal, explained that though cities will never have the same volume of animal and plant lifetime as untouched nature, they can assist make improvements to biodiversity both equally in their possess borders and outdoors them.

That can indicate expanding the presence of indigenous vegetation and animals, which includes bugs, and ensuring that they appropriately manage soil, sewage and water operate-off to steer clear of enabling contamination that can seep in other places.

On a larger level, he said towns have a responsibility to supply “an city lifestyle practical experience to combat towards urban sprawl” by offering dense living spaces that encroach as minimal as probable on surrounding all-natural regions.

Housing problems

Koseki and Gil both equally accept that towns facial area challenges when it arrives to championing biodiversity, but they feel those people hurdles can be get over.

In Canada there is problem about a need for housing, which has prompted the Ontario govt to remove land from the shielded Greenbelt to create much more houses. Gil, on the other hand, factors to cities like Hong Kong, which has shielded a big part of its territory as green house although escalating housing.

With certain choices, humans’ connection with nature in their towns “doesn’t have to be at a price to housing, or at a price to further infrastructure that will assistance marginalized neighbourhoods,” she claimed.

Limited funding

One more problem metropolitan areas encounter, especially in Canada, is that they have a restricted funding foundation and rely on other ranges of authorities to finance quite a few of their ambitions.

On Saturday, the mayors of 15 metropolitan areas built a plea at the convention for enhanced financing from national governments and the non-public sector to assistance increase spaces for character in urban places.

Gil reported that although far more funding for metropolitan areas would aid, the leadership part towns using at the conference and beyond reveals they’re keen to act with the assets they previously have.

“They’re not ready for a handout,” she stated.

While funding constructions place them at a downside, Koseki reported towns are considerably closer to their populations than other amounts of government, which can be a strong software to spur transform.

“To raise city biodiversity, but also to maximize biodiversity outdoors of city locations, most of all we need to have the population to participate,” he reported. “And towns are most effective placed to engage their populations, to increase recognition of these difficulties, and that’s why towns have a incredibly massive purpose to enjoy.”

Tom Crowther on new developments for biodiversity

In previous many years, attention has been swiftly expanding for nature’s immense electrical power to enable deal with the harmful results people have incurred via local climate change. One particular of the faces of this motion is Tom Crowther, an ecologist who rose to sectoral fame for the function of the Crowther Lab, which he operates at ETH Zürich. Now, he wears lots of hats as the founder of digital restoration mapping system Restor, a chief of the UN 10 years on Ecosystem Restoration and biodiversity enthusiast extraordinaire.

Final year, Landscape Information spoke with Crowther at the UN Weather Improve Meeting in Glasgow (COP26), and this yr, to continue on tradition, checked in with him again at COP27 in Sharm El-Sheikh to hear his views on this year’s agenda and priority troubles.

How does this year’s COP evaluate to past year’s?

So final year’s COP26 in Glasgow was so astounding for the reason that nature truly obtained on the docket. I truly feel like this year’s COP is the 1 where we consider to examine the progress – or any progress – that has been produced and to consolidate some of the pledges and commitments that were being manufactured past 12 months.

What are your objectives for becoming below?

We’re launching a key biodiversity evaluation – a globally standardized biodiversity evaluation that can aid men and women to be equally economically and virtually empowered by the biodiversity on which they rely. We are partnered with the Costa Rican authorities, who have experienced this extraordinary payment for ecosystems companies (PES) system for the very last 25 a long time.

So, we’ve done this evaluation on that nation to display for the 1st time how the program has impacted the wellness and resilience of its ecosystems. It’s seriously just a circumstance research for the relaxation of the environment, as Costa Rica is such a shining instance of committing to comprehensive transparency. You can see just about every one 1 of their initiatives – countless numbers of tasks across the nation – for cost-free, at any time you want, on RESTOR. We require every single other country to do the same thing, as the moment that happens, we can then uncover the added benefits and the influence of biodiversity if it is eradicated.

The social angle of COP27 is fairly solid, with decline and problems and human rights substantial on the agenda. What does this signify for restoration and conservation?

This COP absolutely has a human focus, and I actually consider that is the most effective element of this COP. That is the very best point we could have hoped for in get to safeguard and revitalize nature on the world. What so lots of reports seem to locate is that when people are economically empowered by the character on which they count, character thrives. So if there can be important ways toward assuaging credit card debt in the Worldwide South and alleviating money pressures so that the wealth of nature can be distributed far more equitably across world ecosystems, which is the initially action towards going in the route of an environmental motion.

At final year’s COP, you had been championing the concept for biodiversity credits, which would get the job done likewise to carbon credits.

Huge development. A huge coalition that is present here is Character Finance, which is in essence coordinating lots of of the company pledges all around biodiversity credits to make certain that they are all founded on good scientific principles and have scientific underpinning. This gets again to why we have developed the biodiversity index, so that everybody committing to a character-beneficial globe can do so in a globally standardized way, working with measurements that represent the complexity of overall ecosystems. And if we can construct a biodiversity index centered on that, I assume there is been big momentum toward the plan of this biodiversity market place that can go along.

I do have additional fears about that. Character presents every little thing we need to have to survive, and yet we value particular components of it a lot more than other individuals. We essential food items, so we get the edible components, and we propagate them in significant farms. We necessary timber, so we propagate them in large forestry projects. We will need medications and textiles, so we make monocultures for these issues. What we’re doing now simply because we’re now instantly afraid about climate alter is that we want the carbon aspect of mother nature. So we build massive monocultures for carbon (sequestration), and it’s specifically the exact detail.

I think the major threat with the biodiversity sector is if we make it based mostly on any unique element of character, these kinds of as a sure variety of species or a sure proximity to protected places. If we make it about any such requirements, we will do the similar point. We completely want to target on the ecological integrity of ecosystems across genetics, species and ecosystems. And if we can do that, I imagine we can then establish markets that promote the complexity and wellness of nature, which would be awesome.

What other agenda merchandise are you pursuing intently?

Every single yr there’s chat about international fairness, specifically for the Worldwide South. I feel this has to be the maximum priority each time. If we can reduce the money inequality throughout the world, we will have the basis to create a globe in which individuals can share from the prosperity of character. And that will suggest we use nature in a way that sustains all of us. I assume the thing I want to keep repeating suitable now is that nature isn’t just a software in the struggle versus local weather change. It is the rationale we want to deal with it in the very first place since it is the essence of all lifestyle on earth.

Working With Customers for 20 Years to Conserve Urban Biodiversity With the Gohon no ki Indigenous Landscaping Concept

—Opening the Way to Financial Evaluation of Biodiversity with Publication of Nature-Positive Methodology—

OSAKA, Japan, November 30, 2021–(BUSINESS WIRE)–Sekisui House, Ltd. (TOKYO:1928) has been pursuing the conservation of biodiversity since 2001 by creating green networks in urban residential districts under its Gohon no ki (“five trees”) indigenous landscaping concept. Together with the University of the Ryukyus1, the company has analyzed the outcome of the Gohon no ki Project that it has implemented with 1 million customer households2 over the space of 20 years, and has designed the world’s first mechanism for quantitatively evaluating urban biodiversity. It has published this qualitative evaluation mechanism today as a nature-positive methodology for promoting the conservation of biodiversity.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20211130005350/en/

Results of quantitative evaluation analysis (1) – The number of native tree species in each region—the foundation of regional biodiversity—has increased tenfold. (Graphic: Business Wire)

The Gohon no ki Project

Since the 1970s, incessant urban development has dramatically reduced the amount of habitat available for flora and fauna in our cities. Sekisui House launched its Gohon no ki Project in 2001 as an initiative to conserve biodiversity through the eco-friendly landscaping and greening of the gardens of its customers. Based on the concept of planting five locally native trees, three for birds and two for butterflies, the Gohon no ki Project proposes greening gardens and local communities with native tree species suited to the local climate and benevolent to birds, butterflies, and other local fauna. The project takes its lead from garden landscaping modeled on traditional Japanese satoyama (which translates roughly as “village woodland”).

In the 20 years from 2001 up to 2020, more than 17 million trees have been planted under the project. The company has also promoted urban greening throughout Japan by incorporating the Gohon no ki concept into its planning of green spaces in its condominium and community development initiatives.

Quantitative evaluation of biodiversity

Sekisui House has since 2019 been working with the Kubota Laboratory, Faculty of Science, University of the Ryukyus, and Think Nature Inc. to quantitatively evaluate the contribution of this network-type greening to urban biodiversity. Based on the Japan Biodiversity Mapping Project (J-BMP)3 managed and operated by Think Nature Inc., a company established by Professor Yasuhiro Kubota, the partners have analyzed the data on tree number, species, and location accumulated over the 20 years of the Sekisui House Gohon no ki Project to quantitatively evaluate the effectiveness of the project in conserving and restoring biodiversity.

This quantitative evaluation revealed the following benefits for biodiversity from planting native tree species in line with the Gohon no ki Project as opposed to planting conventional horticultural and exotic species in gardens in urban areas where biodiversity has declined significantly (Japan’s three major metropolitan areas).4

  • The number of native tree species in each region—the foundation of regional biodiversity—has increased tenfold.

  • The number of bird species that residential districts can attract has doubled.

  • The number of butterfly species that residential districts can attract has increased fivefold.

  • Biodiversity in the three metropolitan areas has recovered to 30{6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} of the level of 1977 for which the first trustworthy biodiversity related data exists.

This is the world’s first mechanism for quantitatively evaluating urban biodiversity and its application to an actual case. The disclosure of numerical data enables biodiversity to be expressed in terms of financial value, thereby providing a means for visualizing private sector contribution to biodiversity.

Nature-positive methodology

In recent years, increasing efforts are being made to conserve biodiversity. In June of this year, the Taskforce on Nature-related Financial Disclosures (TNFD) was launched, and in October, the 15th Conference of the Parties to the Convention on Biological Diversity (COP15) was held. In Japan too, discussion has begun in earnest on other effective area-based conservation measures (OECMs) for enlisting the support of the private sector to drive urban greening.

In this societal context, Sekisui House is making its 20-year biodiversity conservation initiative available to the public as a nature-positive methodology. The Gohon no ki Project’s nature-positive methodology represents a means for expressing urban biodiversity. Sekisui House is making this methodology available to the general public with the aim of raising awareness and enabling its store of knowledge and expertise to be utilized by others to promote greening and contribute to the conservation of biodiversity.

Nature-positive methodology website
https://www.sekisuihouse.co.jp/gohon_sp/method/

Predicted benefits

Based on joint review of available data, Sekisui House and its partners set the number of tree, bird, and butterfly species, diversity index, and number of individual trees, birds, and butterflies in 1977 as 100{6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48}, and using 2000, the year before the Gohon no ki Project was launched, as the base year, simulated change up to 2070 in Japan’s three largest metropolitan areas (Kanto, Kinki and Chukyo) that have suffered the greatest decline in biodiversity. This simulation indicated that planting native tree species that are likely to benefit local fauna (the Gohon no ki concept) compared to 2000, the year before the launch of the Gohon no ki Project, would enable biodiversity to recover to 37.4{6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} of 1977 levels by 2030 (target year for conservation of biodiversity internationally), 40.9{6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} by 2050, and 41.9{6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} by 2070.

If the Gohon no ki concept of planting native trees were applied to 30{6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} of all newly constructed properties in Japan moving forward, urban biodiversity is predicted to rise to 84.6{6d6906d986cb38e604952ede6d65f3d49470e23f1a526661621333fa74363c48} of 1977 levels. Sekisui House believes that this indicates that if the private sector works with the general public, the decline in biodiversity can be reversed to achieve the goal of post-2020 biodiversity recovery that is the theme of COP15, and that its Gohon no ki concept can contribute to this goal.

We’ve received comments of endorsement from the following people. For more details, please refer to the attached document or the original news release via your browser.
https://www.sekisuihouse.co.jp/english/company/release/topics_2021/20211126_en/

  • Mr. Makoto Haraguchi, Fellow, MS & AD InterRisk Research Institute and Sustainability Section SVP for TNFD, MS & AD Insurance Group Holdings

  • Mr. Teppei Dohke, Executive Secretary General of the Japan Committee for the International Union for Conservation of Nature

  • Ms. Mariko Kawaguchi, Specially Appointed Professor, Rikkyo University / Executive Advisor to CEO, Fuji Oil Holdings Inc.

  • Mr. Yasuhiro Kubota, Professor, Faculty of Science, University of the Ryukyus / Representative Director, Think Nature Inc.

1. This is joint research with the Kubota Laboratory, Faculty of Science, University of the Ryukyus.
2. Cumulative number of households built from February 2001 to January 2021 is 1,001,977.
3. Japan Biodiversity Mapping Project (J-BMP) website: https://biodiversity-map.thinknature-japan.com
4. Comparison of continuing to plant conventional garden tree species with planting tree species in line with the Gohon no ki concept over the 20 years from 2001 to 2020

View source version on businesswire.com: https://www.businesswire.com/news/home/20211130005350/en/

Contacts

Media Contact:
Sekisui House, Ltd. Public Relations Office (in actio inc.)
Chie Tagami
sekisuihouse-pr@actioinc.jp
+81-80-7096-5040