With Every Drop Of Water You Drink,

The Very Energy Sources That Have Gotten Us To Where We Are Now Are Also, If We Continue Doing What We're Doing, A Shortcut To The End Of All That We Hold Near And Dear.

In The Past Few Decades, Earth's Natural Systems Have Endured More Pressure Than In All Preceding Human History.

Why Does Evolution Matter? There Is So Much About The Evolution Of Life, The Development Of Life On Earth That Should Rivet The Attention Of Everyone To Understand Where We've Come From And Where We Might Be Going. We Need To Understand The World Around Us If We Are To Succeed As A Species On The Planet.

Throughout All Of Human History We've Enjoyed Certain Benign Circumstances: An Envelope Of Atmosphere, An Envelope Of Temperature. A Kind Of Resilience That If You Cut Down Trees, Then They'll Grow Back. You Take Fish, They Recover. You Put Stuff Into The Atmosphere That You Know Is Not Good For Us, But We Can Still Breathe. We Haven't Awakened, Generally, To The Sense Of Urgency That Does Exist.

Earth As An Ecosystem Stands Out In The All Of The Universe. There's No Place That We Know About That Can Support Life As We Know It, Not Even Our Sister Planet, Mars, Where We Might Set Up Housekeeping Someday, But At Great Effort And Trouble We Have To Recreate The Things We Take For Granted Here.