1,500 member gifts needed to defend science and combat global warming.
Renew now >
Some of the nation’s top scientists are favoring the Iran deal—and they’ve taking to social media.
Read the blog >
Scientific evidence shows that global warming is increasing heavy precipitation events, coastal flooding, and other extreme weather.
Learn more >
Join with thousands of supporters who are helping advance science-based solutions for a healthy, safe, and sustainable future.
Read Brenda's blog >
See Brenda's biography >
Search our library of reports, factsheets, and other publications.
Our network of more than 17,000 technical experts advancing science-based solutions for a healthy planet and a safer world.
Join the Network >
Your gift advances practical, science-based solutions for a sustainable future.
Defend science today >