3. Royal Society of Wildlife Trusts – United Kingdom
Total revenue (2015): $45,289,692;
We are continuing our list of best climate change charities in US, Canada, UK, and Australia with the Royal Society of Wildlife Trusts runs smaller environmental organizations throughout the country, and in 2015, they collected more than $45 million. Unlike most other organizations in our list, these funds weren’t collected through donations but the organization of charitable activities across the United Kingdom. More than 98% of this money will be spent on charity projects, while the other 2% goes to the organization, support costs and salaries for 54 employees.