Here are the best policies to combat global warming

The Economist has recently published three articles on energy and climate that received all my attention. One was a recap on which actions have cut the most greenhouse gases emissions. And the results are quite surprising.

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Hydrofluorocarbons could be phased out soon

HydrofluorocarbonsAccording to the White House website : “ the United States and China will work together and with other countries to use the expertise and institutions of the Montreal Protocol to phase down the consumption and production of hydrofluorocarbons “

Now that’s some good news are HFCs are very potent greenhouse gases. As Bloomberg noted : ” HFCs make up about 1 percent of greenhouse gases and may account for more than 20 percent by 2050.

As Grist notes, the European Union is also pushing into this direction. This could mean an agreement on HFCs could be reached quite soon.

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Celebrating the 25 years of The Montreal Protocol

Despite all the gloom and doom of current events, there are reasons to celebrate, and to hope as┬áthe Montreal Protocol turned 25. This was at the time – and it still is – a huge success on environmental and climate issues. Indeed, the World Bank noted that ” The Montreal Protocol, by controlling the consumption … Read more

The hole in the ozone layer starts diminishing

According to the UNEP : ” International efforts to protect the ozone layer are a success and have stopped additional ozone losses and contributed to mitigating the greenhouse effect.”

I believe we should capitalize on the success governments around the world achieved in 1987. We should do something for the 25th anniversary and go further with a global agreement on greenhouse gases emissions.

The Montreal Protocol cut emissions in an important way but a more targeted action is needed soon on other air pollutants like carbon dioxide and methane…

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The motivating example of the Montreal Protocol

ozone-layerIn 1988 was signed the Montreal Protocol, which restricted the use of CFC – ChloroFluoroCarbons – gases that harm the ozone layer, our sole protection against UV rays.

To the NASA this was a tremendous success as large troubles have been avoided. Without this success, our world could suffer of massive DNA mutations induced by massive UV radiations.

If 193 countries signed a treaty to avoid this, could they do the same 20 years later to avoid climate change, biodiversity loss or oceans pollution. I want to believe we can !

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