A Quote by Martin Rees

Whether it is to reduce our carbon-dioxide emissions or to prepare for when the coal and oil run out, we have to continue to seek out new energy sources. — © Martin Rees
Whether it is to reduce our carbon-dioxide emissions or to prepare for when the coal and oil run out, we have to continue to seek out new energy sources.
'Goals' and 'caps' on carbon emissions are practically worthless, if coal emissions continue, because of the exceedingly long lifetime of carbon dioxide in the air.
The transition from coal, oil, and gas to wind, solar, and geothermal energy is well under way. In the old economy, energy was produced by burning something - oil, coal, or natural gas - leading to the carbon emissions that have come to define our economy. The new energy economy harnesses the energy in wind, the energy coming from the sun, and heat from within the earth itself.
We have to slow down the emissions of carbon dioxide and methane from coal burning, oil and eventually natural gas... And the best ways to do that are energy efficiency and a switch to renewables.
Natural gas emits only half the carbon dioxide of coal when burned, but if methane leaks when oil companies extract it from the ground in a sloppy manner - methane is far more potent a greenhouse gas than carbon dioxide - it can wipe out all the advantages of natural gas over coal.
We know that things like energy independence, getting off oil, getting out of the Middle East, and creating jobs and economic development in the new clean energy industries of the future are much higher priorities for most voters than capping carbon emissions or taxing dirty energy sources. So why not redefine our agenda as the solution to those problems?
Burning carbon-based substances like oil, gas, and especially coal, produces billions of tons of extra carbon dioxide each year. Methane gas from cows and pigs and other animals on our large farms ends up in the atmosphere as well, trapping more of the sun's energy as heat.
So much of what we do addresses the issues that are associated with climate change, whether it's working to reduce emissions, whether it's working to nail down our renewables, whether it's ensuring great efficiency in accessing all of our energy sources.
We are like tenant farmers chopping down the fence around our house for fuel when we should be using Nature's inexhaustible sources of energy - sun, wind and tide. ... I'd put my money on the sun and solar energy. What a source of power! I hope we don't have to wait until oil and coal run out before we tackle that.
We are on the brink of a new energy order. Over the next few decades, our reserves of oil will start to run out and it is imperative that governments in both producing and consuming nations prepare now for that time. We should not cling to crude down to the last drop – we should leave oil before it leaves us. That means new approaches must be found soon..... The really important thing is that even though we are not yet running out of oil, we are running out of time.
Our leaders must get to grips with the huge risk that carbon dioxide emissions pose to the economy and the environment. As we know, carbon dioxide is a long-lived gas. It hangs around.
There is an urgent need to stop subsidizing the fossil fuel industry, dramatically reduce wasted energy, and significantly shift our power supplies from oil, coal, and natural gas to wind, solar, geothermal, and other renewable energy sources.
What makes tar sands particularly odious is that the energy you get out in the end, per unit carbon dioxide, is poor. It's equivalent to burning coal in your automobile.
In an agreement with China, President Obama has already pledged to reduce America's net greenhouse-gas emissions by more than 25% by 2025. In return, China has agreed to 'peak' its carbon-dioxide emissions in 2030.
In the near term, oil is galloping ahead and leading our economy. We have to corral the "horse" and gradually reduce our dependence on oil and coal, in their present forms. Green-energy investment is inherently high-tech, and we could lead in the next-generation energy technologies, as we did and do now with oil and gas. All it takes is leadership!
This curious faith is predicated on the notion that we will soon develop unlimited new sources of energy: domestic oil fields, shale oil, gasified coal, nuclear power, solar energy, and so on. This is fantastical because the basic cause of the energy crisis is not scarcity: it is moral ignorance and weakness of character. We don't know how to use energy or what to use it for. And we cannot restrain ourselves. Our time is characterized as much by the abuse and waste of human energy as it is by the abuse and waste of fossil fuel energy.
I think natural gas has been a big part of the solution if in fact we need to reduce man-generated carbon dioxide emissions.
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