[T]he scientific enterprise will never be completely free of mistakes. What is important is that the overwhelming consensus on global warming remains unchanged.

Any child born into the hugely consumptionist way of life so common in the industrial world will have an impact that is, on average, many times more destructive than that of a child born in the developing world.

American democracy is in grave danger from the changes in the environment in which ideas either live and spread or wither and die.

The global warming deniers persist in this air of unreality. After all, the entire north polar icecap, which has been there for most of the last 3 million years, is disappearing before our eyes. Forty percent is already gone. The rest is expected to go completely within the next decade. What do they think is causing this?

I put all my sighs in a lockbox

Our civilization is experiencing unprecedented changes across many realms, largely due to the rapid advancement of information technology. The ability to code and understand the power of computing is crucial to success in today's hyper-connected world.

Our way of life is at stake, our grandchildren are at stake, the future of civilization is at stake.