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8,000 years of man made environmental impact

8,000 years of man made environmental impact

Posted Wed, 26 Jan 2011 08:00:01 GMT by Louise Murray

Man has been influencing Earth's climate for at least 8,000 years say Swiss researchers. The rise and fall of the Roman Empire; the Black Death, and the colonisation of the Americas all had a significant impact on the environment due to changes in forestation. Early man began by clearing woody areas to improve hunting and gathering opportunities. Next the first farmers had a larger impact by clearing forest for early slash and burn agriculture.

8,000 years of man made environmental impact

Falling ice and snow cover hampering Arctic's reflective capabilities

Falling ice and snow cover hampering Arctic's reflective capabilities

Posted Fri, 21 Jan 2011 15:38:00 GMT by David Hewitt

The degree to which the Arctic region can reflect the sun's rays has declined significantly over the past three decades, a team of US researchers have warned. The ongoing loss of snow and ice in the Northern Hemisphere is not just depriving polar bears of their natural habitat, but it is leading to a reduction of the region's solar reflexivity and thereby exacerbating the problem of global warming.

Falling ice and snow cover hampering Arctic's reflective capabilities

History may hold the key to future climate change consequences

History may hold the key to future climate change consequences

Posted Mon, 17 Jan 2011 09:30:01 GMT by David Hewitt

By looking to the past, one team of US scientists believe they can map out the likely changes to the Earth's climate ongoing rises in carbon emissions will bring. one team of US researchers has been looking to the past in order to gain an understanding of the potential consequences of the major rise in the volume of carbon dioxide in the Earth's atmosphere seen since the dawn of the Industrial Revolution. Specifically, the experts at the National Center for Atmospheric Research in Boulder, Colorado, have been asking: When was the last time the Earth's atmosphere contained as much carbon dioxide as it may by the end of this century?

History may hold the key to future climate change consequences

Smaller glaciers, not giant ice caps, tipped to push sea levels up

Smaller glaciers, not giant ice caps, tipped to push sea levels up

Posted Wed, 12 Jan 2011 10:50:01 GMT by David Hewitt

Melting mountain glaciers rather than the ice sheets of the Antarctic will be the biggest contributor to rising sea levels over the decades ahead, scientists believe. That climate scientists looking into rising sea levels are currently directing their research at the massive ice caps of the Arctic and the Antarctic is hardly surprising.

Smaller glaciers, not giant ice caps, tipped to push sea levels up

Lunch with a crunch - eco-friendly edible insects

Lunch with a crunch - eco-friendly edible insects

Posted Mon, 10 Jan 2011 14:36:28 GMT by Louise Murray

Scrap the beef, pork, and chicken from your diet if you want to improve your carbon footprint. Edible insects like mealworms, locusts and crickets produce a fraction of the greenhouse gases per kilo of protein than more conventional meals.

Lunch with a crunch - eco-friendly edible insects

Growth rings in deep sea corals reveal climate data

Growth rings in deep sea corals reveal climate data

Posted Mon, 10 Jan 2011 14:05:41 GMT by Louise Murray

Growth rings in fossil and living deep sea corals tell scientists about Atlantic Ocean currents and may provide clues to links between these and global warming. Like tree rings and ice cores, the annual growth rings in deep sea gorgonian corals can tell us about the past environment, and are a new and dependable source of data about the deep ocean. Dr Owen Sherwood, a biogeochemist and lead author of a new study spoke to Earth Times today

Growth rings in deep sea corals reveal climate data

Drilling for half a million years of history under the Dead Sea

Drilling for half a million years of history under the Dead Sea

Posted Thu, 06 Jan 2011 22:13:36 GMT by Michael Evans

A project to drill under the Dead Sea that will hopefully reveal half a million years of the areas's geological and climatic history. There is little doubt in scientific minds that the world is getting warmer. This is particularly evident in the Middle East, but one important question is whether this is something new or whether it is part of some larger cyclical pattern.

Drilling for half a million years of history under the Dead Sea

The effects of a colder Bering Sea on the feeding habits of pollock

The effects of a colder Bering Sea on the feeding habits of pollock

Posted Thu, 06 Jan 2011 21:56:01 GMT by Michael Evans

A three-year dip in Bering Sea temperature has caused a change in the distribution of the staple food of pollock. The Bering Sea is considered to be one of the world's most productive fisheries and its northern portions are the home of sea ducks, grey whales, bearded seals and walruses, but a 30-year warming trend has been bad news for those animals that are adapted to a cold-water environment, causing them to migrate further north.

The effects of a colder Bering Sea on the feeding habits of pollock

Burping cows depleting ozone layer, Irish study finds

Burping cows depleting ozone layer, Irish study finds

Posted Wed, 05 Jan 2011 13:00:47 GMT by Astrid Madsen

Burps, not farts, cause for methane production among cattle. Every cow, on average, produces 80kg to 100kg (CH4) of methane per year, a gas that has the nasty habit of depleting the ozone layer. The reason for this is enteric - in other words, it's related to digestion, but not in the way you might imagine.

Burping cows depleting ozone layer, Irish study finds

ICTs to help Africa cope with Climate change

ICTs to help Africa cope with Climate change

Posted Tue, 04 Jan 2011 09:11:16 GMT by Paromita Pain

In Africa, the effects of climate change are already being felt, primarily in the form of reduced rainfall and desertification. These effects could substantially alter farming, leading to food shortages. To mitigate such impacts of global warming, information and communication technologies (ICTs) may have an important role to play.

ICTs to help Africa cope with Climate change

Short-term weather extremes cause melting of Greenland Ice Sheet

Short-term weather extremes cause melting of Greenland Ice Sheet

Posted Wed, 29 Dec 2010 11:01:16 GMT by Michael Evans

New research indicates that short-term weather extremes and not global warming are the cause of Greenland ice sheet melt. Roughly 80 per cent of Greenland's land surface is hidden under an ice sheet consisting of layers of compressed snow. It is accepted that approximately 100 billion tonnes of this ice are lost each year as the sheet progressively shrinks.

Short-term weather extremes cause melting of Greenland Ice Sheet

Climate Talks Bring Progress in the Fight Against Global Warming

Climate Talks Bring Progress in the Fight Against Global Warming

Posted Wed, 29 Dec 2010 07:39:00 GMT by Kirsten E. Silven

Although some progress was made this year at the United Nations Framework Convention on Climate Change, there is still much more to be done in the fight to protect the environment. The event was held in Cancun, Mexico, and although there were no giant leaps made, the members left feeling more confident that they can work together in the future and eventually come to a binding global agreement on climate change.

Climate Talks Bring Progress in the Fight Against Global Warming

Glaciers in meltdown

Glaciers in meltdown

Posted Sun, 19 Dec 2010 08:43:00 GMT by Louise Murray

Glaciers are shrinking fastest in Alaska and Patagonia in South America states a new report from the UN Environment Programme (UNEP), thinning by 35 and 25 m since 1960. Almost half the world's population depends on rivers that originate in glaciers and snow.

Glaciers in meltdown

Secrets Under The Gulf

Secrets Under The Gulf

Posted Fri, 17 Dec 2010 08:35:01 GMT by Michael Evans

Research suggests that climate change 7500 years ago created the (Persian) Gulf and flooded out an early civilisation. The Persian Gulf, or 'The Gulf' as it is now known, is relatively young in geological terms, being created around 8,000 years ago, probably as a result of some historic climate change causing the Indian Ocean to swallow up the whole area.

Secrets Under The Gulf

Fire Disaster in Israel Blamed on Predicted Climate Change

Fire Disaster in Israel Blamed on Predicted Climate Change

Posted Fri, 17 Dec 2010 07:33:02 GMT by Michael Evans

Researcher blames devastating Israeli forest fire on predicted climate change. December 2010 will be remembered in Israel as the month of the disastrous fire that swept through the beautiful Carmel Mountains near Haifa. As fire raged through the area, a national disaster was declared and there was an international call for assistance.

Fire Disaster in Israel Blamed on Predicted Climate Change

New Monitoring System For Tasmania's Oceans

New Monitoring System For Tasmania's Oceans

Posted Thu, 16 Dec 2010 16:05:04 GMT by Emma McNeil

The rich waters of the oceans surrounding Tasmania are to be monitored by a new state-of-the-art system, including autonomous undersea robotic vehicles, as scientists work to gather more information about this remarkable aquatic region. The new system for monitoring and observing the waters around the island is coming from the new Australian Integrated Observing System.

New Monitoring System For Tasmania's Oceans

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Rainforest Alliance and UTZ reinvented to fight against climate change.

Posted Thu, 15 Jun 2017 08:40:00 GMT by Dave Armstrong

One positive change, but emissions give centuries of rising sea-levels

Posted Tue, 10 Jan 2017 09:55:00 GMT by JW. Dowey

The Polar Bear Future-what can we conserve?

Posted Wed, 07 Dec 2016 09:40:00 GMT by Dave Armstrong

How forest ecosystems work in NW Europe and the Yukon

Posted Tue, 15 Nov 2016 11:38:00 GMT by Dave Armstrong

Whales are loving the warm Pacific Arctic.

Posted Wed, 07 Sep 2016 08:40:00 GMT by JW Dowey

How is Your Climate/Can You Help Avoid the Worst Year in History?

Posted Sun, 24 Jul 2016 10:30:00 GMT by JW Dowey

Climate Mitigation from Agriculture is Limited.

Posted Tue, 17 May 2016 09:40:00 GMT by Dave Armstrong

How hot is the earth now?

Posted Mon, 25 Apr 2016 12:05:00 GMT by Dave Armstrong

Antarctic penguin loss reported to be severe.

Posted Mon, 15 Feb 2016 09:20:26 GMT by Paul Robinson

Lake disappears as Bolivia dries up.

Posted Mon, 01 Feb 2016 09:08:19 GMT by JW Dowey

Blue Carbon

Posted Tue, 29 May 2012 14:44:00 GMT by Michelle Simon

Leaf rot slows after droughts, hindering plant growth

Posted Wed, 06 Apr 2011 12:25:00 GMT by Martin Leggett

Drought and its consequences on river life

Posted Sun, 09 Sep 2012 17:03:09 GMT by Dave Armstrong

The canary is tweeting - Arctic winter ice ties lowest level ever

Posted Thu, 24 Mar 2011 14:06:00 GMT by Martin Leggett

Methane danger in undersea permafrost .

Posted Wed, 24 Dec 2014 10:41:00 GMT by Dave Armstrong

Ploughing into the effect of crop tillage on greenhouse gas emissions

Posted Tue, 06 Sep 2011 13:43:00 GMT by Kieran Ball

Secrets of how the last ice age ended

Posted Mon, 09 Apr 2012 11:07:00 GMT by Adrian Bishop

Ozone hole's long reach brings climate change to the tropics

Posted Thu, 21 Apr 2011 18:00:02 GMT by Martin Leggett

Coal, oil and gas are killing climate

Posted Tue, 18 Jun 2013 00:30:00 GMT by JW Dowey

Managed forests can soak up more carbon

Posted Wed, 10 Aug 2011 15:08:00 GMT by Kieran Ball