World Health Organization
Rachel Cleetus
Rachel Cleetus is the policy director with the Climate and Energy program at the Union of Concerned Scientists. She leads the program’s efforts in designing effective and equitable policies to address climate change, and advocating for their implementation.
World Health Organization
NASA
Johnson Banks/COP26
Will Brown
Getty Images
Photo: White House
UN Photo/Amanda Voisard/CC BY-NC
Photo: Oleksii Sidorov/Shutterstock
Bureau of Land Management/Flickr
Elvert Barnes/flickr
public domain
NOAA
Klaus Eppele/Adobe Stock
Njeri Mwangi/Reuters
Ashley Siefert Nunes
Jiayu Liang/UCS
Photo: Omari Spears/UCS
NOAA
Photo: Todd Wolf
USEPA/Flickr
NASA
Chief Petty Officer Stephen Kelly/US Coast Guard
US Army Photo