Our best chance of arresting runaway climate change, says Hansen, is to rule out new coal plants unless all of their emissions are captured and buried.
Because of height limitations, no one's building the old monkey bars anymore, but kids can go up smaller climbing walls and rope nets and artificial rocks.
We 've all heard the story of the third Little Pig, who foiled the hyperventilating Wolf by building his house out of bricks, rather than with straw or sticks as his brothers had done.
China has become the seventh country in the world that can build an aircraft carrier by itself, after the USA, Russia, England, France, Italy and Spain.
These beavers do know how to build dams, and do so if the need arises, as may occur if they are forced to relocate after felling and consuming all nearby trees.