From an article at Rolling Stone of one highly influential scientist's view of our world in the next 100 years ...

"I wish I could say that wind turbines and solar panels will save us," {James} Lovelock responds. "But I can't. There isn't any kind of solution possible. There are nearly 7 billion people on the planet now, not to mention livestock and pets. If you just take the CO2 of everything breathing, it's twenty-five percent of the total --four times as much CO2 as all the airlines in the world. So if you want to improve your carbon footprint, just hold your breath. It's terrifying. We have just exceeded all reasonable bounds in numbers. And from a purely biological view, any species that does that has a crash."

Read the full article here.

Here's another quote from him: "I would sooner expect a goat to succeed as a gardener than expect humans to become stewards of the Earth."