(Part of the How to Talk to a Global Warming Skeptic guide) Objection: According to the IPCC, 150 billion tonnes of carbon go into the atmosphere from natural processes every year. This is almost 30 times the amount of carbon humans emit. What difference can we make? Answer: It's true that natural fluxes in the carbon cycle are much larger than anthropogenic emissions. But for roughly the last 10,000 years, until the industrial revolution, every gigatonne of carbon going into the atmosphere was balanced by one coming out. What humans have done is alter one side of this cycle. We …
Get Grist in Your Inbox
Don’t believe anything you read at Natural News
Amory Lovins’ high-tech home skimps on energy but not on comfort
This little fox loves transit. Should we tell him he just missed his stop?
Plants are poison — and that just may be why they keep us healthy
Millions alive today would have to die before the paleo diet could take over