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Climate
A polar bear stands on an ice floe off the northern shores of the Svalbard Archipelago. Chase Dekker Wild-Life Images / Getty Images

Arctic Sea Ice Summer Minimum in 2018 Is Sixth Lowest on Record

By Robert McSweeney

Arctic sea ice has reached its summer minimum extent for the year, clocking in at 4.59m square kilometers (sq km) (approximately 1.77m square miles), which puts it joint sixth lowest in the 40-year satellite record alongside 2008 and 2010.

The twelve smallest summer lows in the satellite record have all occurred in the last twelve years.

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Climate
A pedestrian uses an umbrella on a hot morning in Los Angeles, CA on Oct. 24, 2017. FREDERIC J. BROWN / AFP / Getty Images

Limiting Warming to 2°C Would Prevent ‘Worldwide Increases’ in Heat-Related Deaths

By Daisy Dunne

Restricting global warming to 2°C above pre-industrial levels would prevent large increases in temperature-related deaths across much of the globe, a new study finds.

And keeping warming to 1.5°C—the aspirational target of the Paris agreement—would further limit the number of people dying from temperature extremes in some parts of the world, including in southeast Asia and southern Europe.

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Climate
Erosion in a Derbyshire, UK valley by the northern escarpment of Kinder Scout. Stephen Thompson / Bend in the River Ashop / CC BY-SA 2.0

UK Could Become ‘Net Zero by 2050’ Using Negative Emissions

By Daisy Dunne

The UK could cut its emissions to "net-zero" within the next three decades by stepping up investment into technologies that can remove CO2 from the atmosphere, a report finds.

However, such methods, which are known collectively as "negative emissions technologies" (NETs), would only be effective if paired with drastic efforts to cut the UK's current rate of emissions, the findings suggest.

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Climate
Roots of mangrove trees, Para State, Brazil. Ricardo Lima / Getty Images

Amazon Mangroves ‘Twice as Carbon Rich’ as Its Rainforests

By Daisy Dunne

The vast mangroves of the Amazon store twice as much carbon per hectare as the region's tropical forests, new research shows.

The relatively understudied ecosystem also stores 10 times more carbon than Amazon savannahs—a type of grassy plain with sparsely populated trees, according to the study.

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Animals
David Cornwell / Flickr / Cc By-Nc-Nd 2.0

Rise in Insect Pests Under Climate Change to Hit Crop Yields, Study Says

By Daisy Dunne

Global warming could increase both the number and appetite of insect pests, new research finds, which could pose a serious threat to global crop production.

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Cars drive down a hill in a mandatory evacuation area as the Holy Fire burns in Cleveland National Forest on Aug. 8 in Lake Elsinore, California. The fire has burned at least 6,200 acres and destroyed twelve structures. Mario Tama / Getty Images

Summer Rainfall Declines ‘Primary Driver’ of Surge in U.S. Wildfires

By Daisy Dunne

Sharp declines in summer rainfall could be a "primary driver" of the record-breaking wildfires ripping across the western U.S., research shows.

Using satellite data, the study finds that there have been "previously unnoted" declines in summer rainfall across close to a third of forests in the western U.S. over the past four decades. These declines are "strongly correlated" with wildfire increases, the study finds.

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Science
Scattered rainfall over dry season fields before harvest in the Sahel near Bahn Yatenga Burkina Faso Africa. The region is regularly affected by droughts. Getty Images

Solar Geoengineering Could ‘Fail to Prevent Damage to Crop Yields’

By Daisy Dunne

Releasing aerosols into the atmosphere in order to limit the rise in global temperature would not stave off damage to crop yields, a new study suggests.

Scientists have suggested that intentionally releasing aerosols into the atmosphere—a type of "solar geoengineering"—could help to limit global warming by reflecting away incoming sunlight in a similar way to a volcanic eruption.

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Moon with orange-colored troposphere band, the lowest and most dense portion of the earth's atmosphere. NASA

‘Powerful Evidence’ of Global Warming’s Effect on Seasons Found in Troposphere

By Daisy Dunne

Scientists studying the troposphere—the lowest level of the atmosphere—have found "powerful evidence" that climate change is altering seasonal temperatures.

A study published in Science finds that climate change has caused an increase in the difference between summer and winter temperatures across North America and Eurasia over the past four decades.

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Energy
Martin Pickard / Getty Images

Rapid Rise of UK Electric Vehicles Sees National Grid Double Its 2040 Forecast

By Simon Evans

There could be as many as 36m electric vehicles (EVs) on UK roads by 2040, double the number expected just a year ago.

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