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Articles on Arctic

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Methane locked under the Arctic ice could take climate change to a whole new level. Antonio Delgado Huertas

Methane hydrates: a volatile time bomb in the Arctic

The risk with climate change is not with the direct effect of humans on the greenhouse capacity of Earth’s atmosphere. The major risk is that the relatively modest human perturbation will unleash much…
Will we ultimately see 2012 as triumphant, or as just one step in an emerging global tragedy? Jenny Varley

Opening the fabled Northwest Passage: triumph or tragedy?

A combination of 33-year satellite records, measurements made over the past century, and long-term proxy analysis suggests Arctic sea ice may be at its lowest level for more than 1,000 years. According…
Flood waters ravaged Toowoomba, in Queensland, in January 2011. AAP/Keira Lappin

2011 to be remembered as the year of extreme weather

Severe droughts, floods and landslides devastated parts of the world last year as carbon dioxide concentrations climbed to the highest levels in recorded history, according to a global report on climate…
Melting Arctic Sea ice should be the warning we need about expanding coal exports. Michael Sonnabend

On Arctic Sea ice melt and coal mine canaries

Despite peak global temperatures in 2005 and 2010 (unprecedented in the instrumental record), a recent sharp plunge in volume of the Arctic Sea ice and a spate of extreme weather events, coal mining, coal…
A bigger hole in the ozone layer over Northern Hemisphere countries could mean more UV damage to humans, animals and plants. Flickr/cdsessums

Arctic ozone hole grew at record speed in 2011

A hole in the Arctic ozone layer grew at unprecedented levels this year, a new study has found, exposing densely populated northern hemisphere countries to potentially harmful levels of UV radiation. The…

Arctic ice at its lowest

Arctic sea ice coverage is at its lowest since observations began in 1972. Ice coverage in the Arctic has declined by 11…

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