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Glaciers are melting more quickly, losing 31 per cent more snow and ice per year than they did 15 years ago, according to three-dimensional satellite measurements of all the world's mountain glaciers.

Using 20 years of recently declassified satellite data, scientists calculated that the world's 220,000 mountain glaciers have been losing more than 298 billion metric tonnes of ice and snow per year since 2015, according to a study in Wednesday's journal Nature.

The annual melt rate from 2015 to 2019 is 71 billion metric tonnes more per year than it was from 2000 to 2004.

Global thinning rates, different than volume of water lost, doubled in the last 20 years.

Half the world's glacial loss is coming from the United States and Canada.

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Reforestation is one of the ways we have of trying to mitigate climate change, but choosing where to plant trees is a more complex decision than you might think. This is why researchers have now come up with an interactive map showing the best spots to reforest in the US.

It's called the Reforestation Hub, and it color codes counties to show the reforestation opportunity or potential for success in each area. The team behind the map is hoping it proves a valuable resource for the government and individual conservation agencies.

"Often the information we need to make informed decisions about where to deploy reforestation already exists, it's just scattered across a lot of different locations," says forest restoration scientist Susan Cook-Patton, from the Nature Conservancy organization.

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Planet Earth is losing 1.2 trillion tons of ice every single year, a new study has confirmed.

The grim milestone was published in the journal Cryosphere, revealing that the loss of ice is up by nearly 60% since 1994, thanks to the acceleration of global warming.

Between the years of 1994 and 2017, Earth lost 28 trillion tons of ice – enough to cover the UK with a 300ft deep layer sheet – a sum which is only set to continue rising as the Earth’s atmosphere continues to rise in temperature.

Meanwhile, sea levels have risen by 1.3 inches globally since 1994.

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