Joanie Kleypas and her team grow new coral colonies from fragments to plant in damaged reefs off Puerto Rico.
The Denver hip hop band performed live at "The Climate Change Variety Hour" from Colorado Matters.
Seven states have been working for years on drought contingency plans. Arizona and California have missed two deadlines.
If the United States reduces carbon emissions before 2080, the trajectory would slow, but not stop.
The 75-year-old Gian-Franco Kasper spoke of "so-called climate change" and said he would rather deal with dictators than argue with environmentalists.
Women are more likely than men to be killed in natural disasters, and more likely to become refugees after drought and famine.
Climate change is big. For some, the little lagomorphs can be a way to grasp its reality.
Paul Bodnar of the Rocky Mountain Institute attended the summit in Poland as part of the U.S. delegation.
The president of Xcel's Colorado operations answered questions about the road to come.
World carbon dioxide emissions are estimated to have risen 2.7 percent from 2017 to 2018.