The Mississippi: Pushed to the brink

Up and down the Mississippi River, new pressures are being put on America’s inland hydro highway, which helps deliver US goods and commodities to the rest of the world and allows trade flows to return. The strain on the river system is only becoming more acute with the impacts of climate change.



Lake Mead

Climatologist Tim Barnett talks about the troubles facing the nation's largest reservoir, Lake Mead, which is low on water due to reduced snowfall in the Rockies and the effects of climate change.


Growing Hope in New Orleans

Will Bradshaw of Green Coast Enterprises tells Living on Earth about Project Sprout, a test plot of sunflowers in New Orleans. The sunflowers will remove heavy metals from contaminated soils and the sunflower seeds will be pressed to make biofuels.