“If we want to know how the Earth's biosphere is going to respond to the things that humans are doing to the planet right now, the only evidence that we have is how biotic systems have responded in the past.” IfsKnowsWantHumansEarthPastKnow HowPlanetsRight NowEvidenceBiosphere Author:Kenneth Lacovara
“There's no doubt if you could go 5, 10, 15 million years into the future and dig down to 2016, you would be able to find the geological evidence that humans occupied the planet.” IfsYearsHumansWould BeAbleMillionsDoubtPlanetsEvidenceNo Doubt Author:Kenneth Lacovara
