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Search results for climate change

Ecology 7 hours ago

Polar bears could vanish from Canada's Hudson Bay if temperatures rise 2C

An international team of scientists said Thursday that polar bears faced local extinction in Canada's Hudson Bay by mid-century if global warming exceeds limits set under the Paris climate accords.

Earth Sciences Jun 11, 2024

Weakening or collapse of a major Atlantic current has disrupted NZ's climate in the past—and could do so again

Recent assessments suggest the ocean current known as Atlantic Meridional Overturning Circulation (AMOC) is slowing down, with collapse a real possibility this century.

Earth Sciences Jun 13, 2024

Expecting the unexpected could help us prepare for climate extremes

The U.S. Pacific Northwest experienced an unprecedented heat wave in summer 2021, with many locations in the region breaking all-time maximum temperature records by more than 9 °F (5 °C). Although weather models had forecasted ...

Environment Jun 11, 2024

Research signals major milestone in cutting harmful gases that deplete ozone and worsen global warming

A new study has revealed significant progress in the drive to reduce levels in the atmosphere of chemicals that destroy Earth's ozone layer, confirming the success of historic regulations limiting their production.

Earth Sciences Jun 13, 2024

Uncovering the prolonged cooling events of the Holocene

Climate changes, but not always for the same reason. Today's rapid climate change is due entirely to man. The Holocene—the last 12,000 years—has been seen as having a stable climate, with a lack of chaos that allowed ...

Environment Jun 10, 2024

Study: An estimated 135 million premature deaths linked to fine particulate matter pollution between 1980 and 2020

A study led by researchers from Nanyang Technological University, Singapore (NTU Singapore) revealed that fine particulate matter from 1980 to 2020 was associated with approximately 135 million premature deaths globally. ...

Environment 23 minutes ago

Ending native forest logging would help Australia's climate goals much more than planting trees

Australia contains some of the world's most biologically diverse and carbon-dense native forests. Eucalypts in wet temperate forests are the tallest flowering plants in the world and home to an array of unique tree-dwelling ...

Earth Sciences Jun 12, 2024

Aerosols may affect climate more than previously thought

A key to improving climate prediction is to improve understanding of the impact of aerosol on clouds, commonly known as the aerosol-cloud-interaction, according to a new study led by Earth System Science Interdisciplinary ...

Earth Sciences Jun 10, 2024

Study finds natural climate variability impacts Arctic and global warming

When comparing model simulations of Earth's recent warming to real-world observations, differences can arise from several factors, including model errors in the simulated response to increased greenhouse gases and natural ...

Earth Sciences Jun 13, 2024

Ancient ocean slowdown warns of future climate chaos

When it comes to the ocean's response to global warming, we're not in entirely uncharted waters. A UC Riverside study shows that episodes of extreme heat in Earth's past caused the exchange of waters from the surface to the ...

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