Energy & Green Tech

How to have an all-renewable electric grid

The main solution to climate change is well known—stop burning fossil fuels. How to do this is more complicated, but as a scholar who does energy modeling, I and others see the outlines of a post-fossil-fuel future: We ...

Energy & Green Tech

Algae and bacteria team up to increase hydrogen production

In line with the fight against climate change and the search for a sustainable future, there is the idea of a future society based on hydrogen used as a fuel. This biofuel of the future could be what cars and engines run ...

Energy & Green Tech

The long road to clean energy

The vital transition to a zero-carbon economy is likely to be a long and rocky road. So-called green energy is booming, but not fast enough to curb climate change, which is accelerating at an alarming pace as oil, gas and ...

Business

Amazon unveils climate plan, aims to advance Paris goals

Amazon chief Jeff Bezos pledged Thursday the US technology and retail giant would become carbon neutral by 2040 and encourage other firms to do the same, in a bid to help meet the goals of the Paris climate accord 10 years ...

Climate change

Climate change is any long-term change in the statistics of weather over periods of time that range from decades to millions of years. It can express itself as a change in the mean weather conditions, the probability of extreme conditions, or in any other part of the statistical distribution of weather. Climate change may occur in a specific region, or across the whole Earth.

In recent usage, especially in the context of environmental policy, climate change usually refers to changes in modern climate (see global warming). For information on temperature measurements over various periods, and the data sources available, see temperature record. For attribution of climate change over the past century, see attribution of recent climate change.

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