Glaciers

Canadian glaciers face 'irreversible' thaw: report

Canadian glaciers that are the world's third biggest store of ice after Antarctica and Greenland seem headed for an irreversible melt that will push up sea levels, scientists say..

Satellites may reduce flood risks from melting glaciers

In a warming world, the threat of "glacial lake outburst floods" is becoming increasingly urgent.

Glaciers melting fastest in South America

Glaciers are melting fastest in southern South America and Alaska and communities urgently need to adapt to the meltdown, according to a new UN report.

Coastal inundation threat rises, says Climate Council

Jimmy's Beach near Hawks Nest copped a pounding earlier this month.

Peter Hannam The NSW government on Wednesday will proudly unveil the restored Farm Cove Sea Wall protecting the Royal Botanic Gardens from harbour tempests.

Warmer air caused huge ice shelf collapse off Antarctica

Melting moments: warm air triggered huge ice shelf collapse in 2002.

Warmer air triggered the collapse of a huge ice shelf off Antarctica in 2002, according to a report that may help scientists predict future break-ups around the frozen continent.

Antarctic sea ice growth does not negate climate change, scientists say

Julia Rosen This year, Antarctic sea ice has expanded its frigid reach with unprecedented speed, setting records in June and July.

Bad news about rising sea levels as quickening Antarctic winds lead to faster ice melt

Destructive winds: Impact had previously not been taken into consideration.

Peter Hannam Global sea levels may rise much faster than currently predicted because climate models have failed to account for the disruptive effects of strengthening westerly winds, Australian-led research has...

Global carbon dioxide levels exceeded historic threshold throughout April

Globe

The amount of carbon dioxide in the atmosphere averaged more than 400 parts per million throughout April, the first time the planet's monthly average has surpassed that threshold.

West Antarctic ice sheet melt 'unstoppable', pushing sea levels higher, scientists say

antarctica

The collapse of large parts of the ice sheet in West Antarctica appears to have begun and is almost certainly unstoppable, with global warming accelerating the pace of the melting, two groups of...

Sea levels to rise as West Antarctic ice sheet melts

Warming waters are bad news for major Antarctic ice sheets.

Peter Hannam A collapse of the giant West Antarctic ice sheet appears ''inevitable'', with only the timing of the melting and resulting sea-level rise of at least three metres uncertain, according to US...

Climate change to hit sovereign debt ratings, S&P says

Alex Morales Global warming will harm sovereign creditworthiness around the world this century, with poorer nations the worst hit, Standard & Poor's Ratings Services said.

IPCC report downplays economic impacts of climate change, reviewer says

Climate

Peter Hannam An upcoming United Nations report on climate change has been altered after the expert review stage, with changes added that downplay the economic impacts of a warming planet, according to one of the...

IPCC report: how humans are changing the climate

cLIMATE

Peter Hannam Climate change is real, it's happening and the risks are many and rising, so says the Intergovernmental Panel on Climate Change in its latest report.

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Forest fires worsen global warming to thaw Greenland's ice

Greenland melt speeds up.

Forest fires and global warming caused an extreme melt of Greenland's ice in 2012, according to a study on Monday that said such thaws may happen almost yearly by 2100, threatening the survival of...

Global warming raises risks of more deadly Everest-like avalanches, researchers say

Everest

Mountaineering tourism in Nepal faces a threat from global warming as melting glaciers feed the risk of more deadly disasters such as the avalanche on Mount Everest that killed 16 people last month,...

Fire and ice: Melting Antarctic poses risk of volcanic activity, study shows

Antarctic study

Peter Hannam New research on the effects of ice sheet melt in the Antarctic shows climate change is deforming the Earth's crust, potentially prompting volcanic activity that could cause global sea-levels to rise...

Melting of the world's ice anything but glacial

From the Andes to the Alps and the Himalayas to Alaska, glaciers are melting as the planet warms.

China seeks to cap fossil-fuel emissions, envoy says

Alex Morales China is working on how to cap its greenhouse gas for the first time, an effort that would spur the worldwide effort hold back climate change.

Tourism threatened by climate change as ski slopes thaw, seas rise

Mt Buller, via snow cam, June 18.

Climate change is a growing threat to tourism, from thawing ski resorts to coral reefs hit by warmer seas, and the industry itself should do more to curb its soaring greenhouse gas emissions, a study...

Melting moments: Peru's disappearing glacier draws dwindling crowds

In its heyday, the Pastoruri glacier in central Peru, drew daily throngs of tourists packed into dozens of double-decker buses 5,0000 meters high into the Andes to ski, build snowmen and scale its...