Trees will save our planet

Trees will save our planet

50:39 | Will trees save our planet? Trees and forests make the earth and climate livable and stimulate biodiversity. How do we deal with our ancient trees, and what else can we do?

Adaptation takes time

Adaptation takes time

4:55 | Dana Nuccitelli examines whether species can adapt quickly enough to survive rapid climate change. Five mass extinctions in the Earth’s past indicate there are limits to how much species’ abilities.