Regarding global warming, most scientists (including those who have advised the united nations through the intergovernmental panel on climate change) agree that if we continue to burn fossil fuels at an accelerating rate

The answer about Regarding global warming would be

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Burning all fossil fuels in the next 300 years would raise temperatures in some areas of the globe by up to 20 degrees Celsius, which would have catastrophic impacts on life on the planet, a new study warns.

The average global temperatures would rise by 10 degrees, while the Arctic, where temperatures in February this year were already almost 16 degrees above average, could have an increase of 20 degrees, researchers found.

Such profound changes in temperature would produce sea level elevations that would affect countries located at low altitude, while high temperatures would increase the impact of extreme hot waves in countries with hot weather and make them uninhabitable.

Temperature increases would have a rapid impact on polar and tropical forest ecosystems.

As energy demand rises around the globe, so does concern about climate change. The science seems clear: Ninety-seven percent or more of scientists active in the field are convinced the climate has been warming over the past century, the pace of warming is accelerating and human activities — particularly the burning of coal, oil and other fossil fuels — are a primary cause.

Many of these scientists also concur that the best option to mitigate the potentially catastrophic consequences of climate change is to reduce the use of fossil fuels and speed up the transition to renewable forms of energy, such as solar and wind.

We asked experts in the energy and environmental fields whether they concur on the need for an urgent transition to alternative energy. And if so, how the energy industry can make that happen quickly enough to matter. We also asked energy executives how their companies would navigate such a fundamental change. The responses have been edited and condensed.