Plus: nude sunbathers fleeing deer fined for breaking Sydney lockdown
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Green Light
Story of the week
How did a small town in Canada become one of the hottest places on Earth?
How did a small town in Canada become one of the hottest places on Earth?
Eric Holthaus
The unprecedented heatwave in the Pacific north-west risks becoming the new normal if we don’t act now
The ‘heat dome’ explained / Why the Pacific north-west is facing record temperatures
The good news
Pet lion seized from home in Cambodia capital after appearance on TikTok
Viral rescue / Pet lion seized from home in Cambodia capital after appearance on TikTok
Authorities investigated after defanged and declawed animal was seen in TikTok videos in Phnom Penh
Food that can make a difference / The most sustainable foods – from seaweed to venison
The bad news
British Columbia sees 195% increase in sudden deaths during heatwave
Canada / British Columbia sees 195% increase in sudden deaths during heatwave
Chief coroner says more than 300 deaths could be attributed to the extreme temperatures
Yellowstone / Report reveals extent of climate threat to oldest US national park
Green lining / How America’s treeless streets are fueling inequality
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Climate Crimes – a new series
Big oil and gas kept a dirty secret for decades. Now they may pay the price
Fossil fuel reckoning / Big oil and gas kept a dirty secret for decades. Now they may pay the price
With an unprecedented wave of lawsuits, America’s petroleum giants face a reckoning for the environmental devastation caused by fossil fuels
Undercover exposé / ExxonMobil lobbyists filmed saying oil giant’s support for carbon tax a PR ploy
The climate crisis is a crime that should be prosecuted
Mark Hertsgaard
The series explained / Why we're investigating big oil’s role in the climate crisis
Essential reading
Buck naked / Nude sunbathers fleeing deer fined for breaking Sydney lockdown
Nude sunbathers fleeing deer fined for breaking Sydney lockdown
Canada is a warning: more and more of the world will soon be too hot for humans
Simon Lewis
Canada is a warning: more and more of the world will soon be too hot for humans
‘Six chickens somehow turned into 60!’ / Meet the families trying to live the Good Life in the pandemic
Meet the families trying to live the Good Life in the pandemic
Europe / Damaging ‘fly-shooting’ fishing in Channel sparks concerns
Damaging ‘fly-shooting’ fishing in Channel sparks concerns
$500 a tree / California couple fined $18,000 for illegally uprooting 36 Joshua trees
California couple fined $18,000 for illegally uprooting 36 Joshua trees
American effluence / New Yorkers fled to the Hamptons in 2020 – and sparked a major sewage crisis
New Yorkers fled to the Hamptons in 2020 – and sparked a major sewage crisis
UK / 12 arrested in raids on Extinction Rebellion sites in London
12 arrested in raids on Extinction Rebellion sites in London
Climate collapse? / Miami condo disaster prompts questions over role of climate change
Miami condo disaster prompts questions over role of climate change
Where the buffalo roam / World’s longest wildlife bridge could cross the Mississippi
World’s longest wildlife bridge could cross the Mississippi
Charitable conservation / Lululemon founder buys Canadian islands to conserve ecosystems
Lululemon founder buys Canadian islands to conserve ecosystems
Editorial / The Guardian view on getting to net zero: the crunch is coming
The Guardian view on getting to net zero: the crunch is coming
CO2 levels in the atmosphere
<b>Weekly averages</b><br>20 June 2021: 418.33 ppm<br> This time last year: 416.31 ppm<br> 10 years ago: 393.73 ppm<br> <em>Pre-industrial base: 280<br> Safe level: 350</em>
Weekly averages
20 June 2021: 418.33 ppm
This time last year: 416.31 ppm
10 years ago: 393.73 ppm
Pre-industrial base: 280
Safe level: 350
Atmospheric CO2 reading from Mauna Loa, Hawaii (part per million). Source: NOAA-ESRL

Scientists have warned for more than a decade that concentrations of more than 450ppm risk triggering extreme weather events and temperature rises as high as 2C, beyond which the effects of global heating are likely to become catastrophic and irreversible. Read more about our weekly carbon count
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