Fundamentally Not To Waste Energy. If We

People Talk About Doom-laden Scenarios Happening In The Future: They Are Happening In Africa Now. You Can See It Perfectly Clearly. Periodic Famines Are Due To Too Many People Living On Land That Can't Sustain Them.

One In Eight Plant Species Face Extinction.

It's A Moral Question About Whether We Have The Right To Exterminate Species.

The Only Way To Save A Rhinoceros Is To Save The Environment In Which It Lives, Because There's A Mutual Dependency Between It And Millions Of Other Species Of Both Animals And Plants.

I Had A Huge Advantage When I Started 50 Years Ago - My Job Was Secure. I Didn't Have To Promote Myself. These Days There's Far More Pressure To Make A Mark, So The Temptation Is To Make Adventure Television Or Personality Shows. I Hope The More Didactic Approach Won't Be Lost.