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View UN Global Compact - Cities Programme's top competitors like C40 Cities, Cities Alliance, and City of London Corporation.

The Nature Conservancy
Air, water, food, shelter, income: nature sustains every aspect of our lives. That's why protecting and conserving nature isn't just a matter of common sense. It's the smartest investment we can make. Since our founding in 1951, The Nature Conservancy has harnessed the power of nature to help solve our planet’s most challenging problems. And while the stakes are high, so is our resolve: to create a world where everyone thrives alongside nature for generations to come. We do this by working hand in hand with communities around the world. By committing to a science-based, non-partisan approach that’s stood the test of time. And by bringing people together, from all walks of life, to find common ground in nature.
Arlington, Virginia, US
Non profit
$1.2B Revenue
https://www.nature.org/
7.5K Employees
World Resources Institute
WRI works to improve people’s lives, protect and restore nature and stabilize the climate. As an independent research non-profit organization, we leverage our data, expertise and global reach to influence policy and catalyze change across systems like food, land and water; energy; and cities. With a global network of teams and offices across multiple regions, our 2,000+ staff work on the ground in more than a dozen focus countries and with partners in over 50 nations.
Washington, District of Columbia, US
Non profit
$93.5M Revenue
https://go.wri.org/FJZXVW
1.4K Employees
City of London Corporation
The City of London Corporation is the governing body of the Square Mile dedicated to a vibrant and thriving City, supporting a diverse and sustainable London within a globally successful UK. You are welcome to leave reply or message us a comment via LinkedIn, but if you'd like a reply please contact us direclty via email or telephone. >>> We're working hard to... - contribute to a flourishing society - Shape outstanding environments - Support a thriving economy By strengthening the character, capacity and connections of the City, London and the UK for the benefit of people who live, learn, work and visit. We are located at Guildhall but also have offices at Mansion House, Walbrook Wharf and outside the Square Mile in relation to our green spaces and other facilities. >>> What we are responsible for Providing services for residents (and City businesses) in the Square Mile, but not those of other boroughs. Check out our Corporate Plan:https://www.cityoflondon.gov.uk/about-us/plans-policies/our-corporate-plan
UK
Private
$110.7M Revenue
https://bit.ly/m/cityoflondon
3.3K Employees
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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