Bill Nye the Science Guy, wearing his signature bowtie, at the front of the March for Science in Washington, D.C.
One of the many anti-Trump signs in the mix at the March for Science in Washington, D.C.
Sign left behind after the March for Science in Washington, D.C. on Earth Day.
April 30, 2017, on Trump’s 100th day in office, over 200,000 marched down Pennsylvania Avenue in the People's Climate March in Washington, D.C.
Mustafa Ali, the former leader of the EPA’s environmental justice office, at the Climate March in Washington D.C.
Member of the Aztec Dance Group in front of the EPA's Washington, D.C., headquarters after the Climate March in Washington, D.C
Woman with a sign featuring her cat Sadie sitting on the National Mall listening to the rally after the Climate March in Washington, D.C.
Pastor Harry Joseph, who is part of a lawsuit challenging the permit for the Bayou Bridge pipeline, stands near oil storage tanks in St. James, close to the Mount Triumph Baptist Church.
Dean Wilson of the Atchafalaya Basinkeeper inspects the route that the Bayou Bridge pipeline is slated to follow in Louisiana’s Atchafalaya basin.
Roseate spoonbill chicks in a nest at a bird rookery on Jefferson Island, Louisiana. Spoonbills are one of the many species found in the Atchafalaya basin.
Ervin Coleman, a victim of 2016’s record-breaking 1,000-year flood that hit southern Louisiana, is still struggling to recover a year later. He and his wife were still waiting for contractors to weigh in on their home’s structure before they could decide if the home was worth renovating or not. They are still living in a FEMA trailer on their property.
An empty home in Denham Springs, Louisiana, site of 2016’s historic floods, on August 7, 2017.
New Orleans’ pump stations could not keep up with rain that flooded the city in early August, shedding light on how vulnerable the city remains since being devastated by Hurricane Katrina in 2005.
Shannon Rainey in front of her home in Gordon Plaza in New Orleans’s Upper Ninth Ward, 12 years after Hurricane Katrina.