Artists are required to place hunting elements in their Duck Stamp contest entries, but some say that art now showcases pollution.
A new U.S. poll of childless adults finds one in four say climate change is a factor in their decisions.
"A wealthy minority is fueling the climate crisis, yet it is poor communities and young people who are paying the price,” says Oxfam's Tim Gore.
Future medicanes are expected to be more powerful as sea levels and temperatures rise, but science still has many questions.
"I suppose you could say they are space-age avocados," says Dr. Neena Mitter.
"We are in danger of being unprepared for the risks posed by sea level rise," says Dr. Tom Slater at University of Leeds.