A new report by WWF and the Carbon Disclosure Project details the enormous savings corporations can accrue by scaling up climate protection at a rate that is on track with what scientists recommend.

Snow leopards scale the great, steep slopes of mountains in Central Asia with ease, blending into the landscape. But these endangered cats face many threats including habitat loss, reduced prey and retaliatory killings.

Today Richmond is one of 29 participating cities in WWF's Earth Hour City Challenge. But in the 1970s and 1980s the situation was far different. Pollution from tobacco plantations and chemicals plants had sullied the river to the point where fishing in the James River was banned in 1975.

Record rains in 2011, coupled with a tradition of environmental leadership and citizen engagement, moved the city of Burlington, Vermont, to update its Climate Action Plan and join WWF’s Earth Hour City Challenge. Hear their story and learn why Jennifer Green, the city’s sustainability coordinator, is determined to make a difference.

For the endangered animals of our planet—like the rare and regal snow leopard—climate change means much more than hotter days and intensified storms. These creatures face the prospect of a significant transformation of the habitats that sustain them.

Keya Chatterjee, Director of International Climate Policy at WWF, shares how being a mother influences her work as a climate change researcher.

Between the ash-colored sky, misty rain and snow-covered shoreline, I struggled to make out the polar bears that our captain insisted were straight ahead of us. No matter how much I strained, toggling between binoculars and naked eye, all I observed was thick, milky nothingness.