Alternative energy Quote by Jeremy Grantham

Many coal-fired power plants are being decommissioned or switched over to natural gas, but that takes a long time.

— Porter Stansberry

When coal came into the picture, it took about 50 or 60 years to displace timber. Then, crude oil was found, and it took…

— Rex Tillerson

Even if we can solve the carbon problem for coal, it is still a non-renewable resource. At some point, coal supplies will drop.

— Van Jones

Replacing traditional sources of energy completely with renewable energy is going to be a challenging task. However, by adding renewable energy to the grid…

— Tulsi Tanti

It's going to cost trillions of dollars to rework the energy sources all over the world. Were going to have to move away from…

— Ted Turner

We are already witnessing a transformation in the U.S. economy to increased production of lower carbon energy through fuel switching to natural gas and…

— Martin O'Malley

Humankind has never transitioned to energy sources that are more costly, less reliable, and have a larger environmental footprint than the incumbent - and…

— Michael Shellenberger

There is no plan today to fully give up on coal. Experts point out that our supplies run for another 200 years, and it…

— Andrzej Duda

Because we are now running out of gas and oil, we must prepare quickly for a third change, to strict conservation and to the…

— Jimmy Carter

Replacing half of the U.S. ground-transport fuels with hydrogen from wind power by 2050, for example, might require 1,400 gigawatts of advanced wind turbines…

— Joseph J. Romm

For electric power generation, we are very optimistic about solar-thermal technology, and we’re intrigued by the potential of enhanced geothermal energy to replace coal-based…

— Vinod Khosla

Here in the United States, we have between 250 and 300 years of a coal supply. That is more than the amount of recoverable…

— Tim Holden