By 2040, The Sahara Will Be Moving

Science Always Uses Metaphor.

One Thing That Being A Scientist Has Taught Me Is That You Can Never Be Certain About Anything. You Never Know The Truth. You Can Only Approach It And Hope To Get A Bit Nearer To It Each Time. You Iterate Towards The Truth. You Don't Know It.

We Are The Intelligent Elite Among Animal Life On Earth And Whatever Our Mistakes, [earth] Needs Us. This May Seem An Odd Statement After All That I Have Said About The Way 20th Century Humans Became Almost A Planetary Disease Organism. But It Has Taken [earth] 2.5 Billion Years To Evolve An Animal That Can Think And Communicate Its Thoughts. If We Become Extinct She Has Little Chance Of Evolving Another.

Nature Favors Those Organisms Which Leave The Environment In Better Shape For Their Progeny To Survive.

If We Gave Up Eating Beef We Would Have Roughly 20 To 30 Times More Land For Food Than We Have Now.