News tagged with climatic shifts
Ultraviolet protection molecule in plants yields its secrets
Lying around in the sun all day is hazardous not just for humans but also for plants, which have no means of escape. Ultraviolet (UV) radiation from the sun can damage proteins and DNA inside cells, leading ...
Feb 09, 2012 |
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Climate change now seen as a question of global security
Once viewed as an issue of interest only to greens or academics, the threat posed by climate change to security is now eyed with deepening concern by politicians and defence chiefs.
Nov 29, 2011 |
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Climate to widen sleeping sickness risk to southern Africa
Sleeping sickness could threaten tens of millions more people as the tsetse fly which transmits the disease spreads to southern Africa as a result of global warming, a study published on Wednesday says.
Nov 09, 2011 |
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Climate: which nations, cities most at risk?
A third of humanity, mostly in Africa and South Asia, face the biggest risks from climate change but rich nations in northern Europe will be least exposed, according to a report released Wednesday.
Oct 26, 2011 |
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Climate cycles are driving wars, says study
In the first study of its kind, researchers have linked a natural global climate cycle to periodic increases in warfare. The arrival of El Niño, which every three to seven years boosts temperatures and ...
Space & Earth / Earth Sciences
Aug 24, 2011 |
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Species affected by climate change: to shift or not to shift?
(PhysOrg.com) -- Relocating species threatened by climate change is a radical and hotly debated strategy for maintaining biodiversity.
Jul 25, 2011 |
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U of M researchers contribute to global plant database, expanding ecosystems research
A new database of plants' traits will help scientists around the world learn more about how climate change is affecting ecosystems.
Jun 29, 2011 |
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Atmospheric carbon dioxide buildup unlikely to spark abrupt climate change
There have been instances in Earth history when average temperatures have changed rapidly, as much as 10 degrees Celsius (18 degrees Fahrenheit) over a few decades, and some have speculated the same could happen again as ...
Space & Earth / Earth Sciences
Jun 20, 2011 |
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Rising temperatures threaten a food crisis
A recent study reports that the geographical range of some agricultural crops -- such as corn and beans -- may be greatly reduced if temperatures continue to rise. While some farmers may be able to readjust ...
Jun 03, 2011 |
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Research explains mystery of ocean sediment
(PhysOrg.com) -- New research by an international team of researchers has revealed the previously unidentified role that fish play in the production of sediments in the world's oceans.
Space & Earth / Earth Sciences
Mar 01, 2011 |
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Dramatic climate change is unpredictable
The fear that global temperature can change very quickly and cause dramatic climate changes that may have a disastrous impact on many countries and populations is great around the world. But what causes climate ...
Space & Earth / Earth Sciences
Aug 30, 2010 |
3.7 / 5 (22) |
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Climate change forces major vegetation shifts
(PhysOrg.com) -- Vegetation around the world is on the move, and climate change is the culprit, according to a new analysis of global vegetation shifts led by a University of California, Berkeley, ecologist ...
Jun 04, 2010 |
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U.S. energy demand on the decline due to population migration
(PhysOrg.com) -- As Congress and the White House explore ways to encourage Americans to conserve energy, a new study by the University of Michigan shows that the average individual energy demand for heating and cooling has ...
Space & Earth / Earth Sciences
Sep 08, 2009 |
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Dead Ahead: Similar Early Warning Signals of Change in Climate, Ecosystems, Financial Markets, Human Health
(PhysOrg.com) -- What do abrupt changes in ocean circulation and Earth's climate, shifts in wildlife populations and ecosystems, the global finance market and its system-wide crashes, and asthma attacks and ...
Sep 02, 2009 |
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Scientists warn of climate catastrophe
The world faces a growing risk of "abrupt and irreversible climatic shifts" as fallout from global warming hits faster than expected, according to research by international scientists released Thursday.
Jun 18, 2009 |
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