KPBS: California Governor Jerry Brown is joining more than 500 scientists from 40 countries in calling for action on climate change.
California Governor Jerry Brown is joining more than 500 scientists from 40 countries in calling for action on climate change.
A 20-page consensus statement signed by scientists identifies five threats to the planet that policy makers need to address. They include climate disruption, species extinction, loss of diverse ecosystems, pollution and population growth.
Speaking...