If You Meet Somebody Who Says He

Without An End To The Burning Of Fossil Fuels, Coal Especially, Most Of Us Will Live Shorter Lives. I'm Hopeful, But Very, Very Concerned.

If You Want Grown-ups To Recycle, Just Tell Their Kids The Importance Of Recycling, And They'll Be All Over It.

A Two-and-a-half-year-old Is Pretty Experienced At Making A Mess, Anyway.

If Nasa Is To Reach Beyond The Moon And Someday Reach Mars, It Must Be Relieved Of The Burden Of Launching People And Cargo To Low Earth Orbit. To Do That, We Must Invest More In Commercial Spaceflight.

I've Got No Problem With Anybody's Religion. But If You Go Claiming The Earth Is Only 10,000 Years Old, That's Just Wrong.