21st century Quote by Elizabeth Warren

The consensus is clear. We need an immediate and determined shift to a clean, renewable economy. The continued mass burning of fossil fuels is…

— Al Gore

All scientists who've looked at it know we have to phase away from burning fossil fuels. That means we've got to put a lot…

— Paul R. Ehrlich

We are about to enter a new era in which, each year, less net energy will be available to humankind, regardless of our efforts…

— Richard Heinberg

We're clearly coming to the end of the fossil fuel era. We have the technology to shift to renewable energy, we have the will…

— Mark Ruffalo

We're going to get off fossil fuels, no question. We may not do it quickly enough to avoid some pain, and I'm quite worried…

— David Grinspoon

We must transition away from the dirtiest fossil fuels toward renewable sources of energy for the sake of our economy and our planet.

— Ted Wheeler

If we can come up with innovations and train young people to take on new jobs, and if we can switch to clean energy,…

— Kofi Annan

I think the cost of energy will come down when we make this transition to renewable energy.

— Al Gore

It's as certain that as long as fossil fuels are the cheapest energy, we will just keep burning them.

— James Hansen

The path towards sustainable energy sources will be long...but America cannot resist this transition; we must lead it.

— Barack Obama

I think so long as fossil fuels are cheap, people will use them and it will postpone a movement towards new technologies.

— Paul Krugman

The sooner we get started with alternative energy sources and recognize that fossil fuels makes us less secure as a nation, and more dangerous…

— Lindsey Graham