1. Sierra Club Foundation – USA
Total revenue (2015): $90,844,476;
Sierra Club Foundation is one of the biggest environmental charities in the United States and the winner of our list of best climate change charities in US, Canada, UK, and Australia. It receives most of its $90 million revenue through contributions, and more than 87% of that money is spent on various environmental projects. They often sponsor innovations that support environmentalist causes and scientific research that tries to mitigate the consequences of climate change. Their donations come from both individuals and large corporate businesses, and a large part of these funds is directed towards educating people about the climate change and helping them to keep the environment clean.
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