The eight warmest years since 1880 have all occurred since 2001, and it is estimated that temperatures will probably rise a further 1.1 to 6.4°C (2.0 to 11.5°F) during the 21st century. Human activity has caused most of this observed temperature increase, and if global temperatures are not addressed, these changes can cause tremendous climate disruptions globally.
Nonprofits working to address climate change may focus on adaptation or mitigation and could be focused on an international, national, or local level. This specific cause looks at the national-level impact of climate change nonprofits. There are a variety of activities that these nonprofits might perform. These organizations could include grassroots organizers, policy advocates, conservation groups, lobbyists, or research labs and institutions.
In 2009, in order to find out which nonprofits were making the biggest difference, or impact, on climate change at the national level, we ran our research surveying 139 national climate change experts (with an average of 12 years of work experience in the field).
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