Quick Link: “Warming nears point of no return, scientists say”

The “tipping point” revisited: Nobody knows exactly when our warming globe might pass through the dreaded portal. But a group of scientists led by Berkeley biologist and Climate Watch contributor Anthony Barnosky says it won’t be pretty.

The Earth is reaching a “tipping point” in climate change that will lead to increasingly rapid and irreversible destruction of the global environment unless its forces are controlled by concerted international action, an international group of scientists warns.

Read more at: www.sfgate.com