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Showing posts with label GLOBAL WARMING. Show all posts
Showing posts with label GLOBAL WARMING. Show all posts

Sunday, September 30, 2012

Sun shoots off big flare towards Earth


Nasa has captured the image of a particularly wide Earth-directed coronal mass ejection (CME) or flare, erupting from the Sun and spewing billions of tonnes of solar particles. Experimental Nasa research models estimate that the CME, travelling around 1,120 km per second, reached the Earth on Saturday. CMEs of these speeds are usually benign.

Many nations lag in plan to slow extinctions by 2020: UN


Many nations need to do more to slow extinctions of animals and plants under U.N. targets for 2020 that would also save the world economy billions of dollars a year, U.N. experts say.

M
any nations need to do more to slow extinctions of animals and plants under U.N. targets for 2020 that would also save the world economy billions of dollars a year, U.N. experts say.

Only a few countries -- including France and Guatemala -- have so far adopted new national plans to tackle threats such as pollution or climate change in line with a sweeping pact agreed in Japan in 2010.

"There is a lot more to do," David Cooper, head of the scientific, technical and technological unit at the Secretariat of the U.N. Convention on Biological Diversity (CBD) in Montreal, told Reuters by phone.

Almost 200 nations will meet in Hyderabad, India, from October 8-19 to review progress towards goals to protect life on earth that U.N. reports say is suffering the biggest wave of extinctions since the dinosaurs vanished 65 million years ago.

Governments agreed in 2010 to 20 targets including phasing out damaging subsidies and expanding protected areas, for instance to save valuable coral reefs that are nurseries for fish or to slow deforestation from the Congo to the Amazon.

"There is substantial progress. Is it fast enough to achieve the targets by 2020 for most of them? Probably not overall," Cooper said. Biodiversity is threatened by a projected rise in the human population to 9 billion by 2050 from 7 billion now.

"We need a step up in the activities," he said as part of a series of interviews on the outlook for Hyderabad. Biodiversity underpins everything from food to timber production.

Many other countries, such as Australia, Brazil or China, were making progress. China, for instance, has made big strides in reforestation, Cooper said. The United States is not a member of the CBD.

Nations have also been sluggish in ratifying a protocol laying out rules for access to genetic resources, such as rare tropical plants used in medicines, and ways to share benefits among companies, indigenous peoples or governments.

So far, 92 nations have signed the Nagoya Protocol but just six have ratified, well short of the 50 needed for it to gain legal force. The target is for the protocol to be up and running by 2015.

OVER-OPTIMISTIC

"We were a bit too optimistic," said Valerie Normand, senior programme officer for access and benefit sharing at the CBD, who said the Secretariat had hoped for it to come into force this year. The Secretariat now expected entry into force in 2014.

Cooper said many of the targets set for 2020 would save billions of dollars a year, by ensuring that farming, logging or fishing can be managed sustainably. Some fisheries, for instance, have been exploited to the point of collapse.

In Nagoya, experts estimated that annual funding to safeguard biodiversity totalled about $3 billion a year but some developing countries wanted it raised to about $300 billion.

"These are big numbers but they are trivial compared to the benefits we are getting from biodiversity. If we don't act the costs will be very much greater," Cooper said.

Among concerns, 32 percent of livestock breeds are under threat of extinction within the next 20 years, the U.N. Food and Agriculture Organization says. And 75 percent of the genetic diversity of agricultural crops has been lost since 1900.

"Because we don't really know the full impacts of climate change down the line, we don't really know what's going to happen in terms of growing conditions around the world. It's just safer for us to have a lot of these other varieties in our pocket," said David Ainsworth, spokesman of the CBD Secretariat.

Cooper said the pace of extinctions among the planet's estimated 9 million species -- plants, animals from insects to whales but excluding legions of tiny bacteria -- was perhaps 100 times the background rate estimated in fossil records.

"If you project the rates into the future, the rest of the century, they are likely to be 100 times larger still," he said. The rising human population threatens ever more habitats with expanding cities, farms and roads.

Among goals set in 2010 were to increase protected areas for wildlife to 17 percent of the world's land area by 2020 and to raise marine areas to 10 percent of those under national control. In 2010, respective sizes were 12.7 and 4 percent.

"I am optimistic" that the goal can be reached, said Sarat Babu Gidda, the CBD official who oversees protected areas.


Tuesday, September 25, 2012

RED ALERT!!

PLANT TREES AND SAVE OUR EARTH

More than 100 million people will die and global economic growth will be cut by 3.2% of gross domestic product (GDP) by 2030 if the world fails to tackle climate change, a report commissioned by 20 governments said on Wednesday. As global average temperatures rise due to greenhouse gas
emissions, the effects on the planet, such as melting ice caps, extreme weather, drought and rising sea levels, will threaten populations and livelihoods, said the report conducted by humanitarian organisation DARA.
It calculated that five million deaths occur each year from air pollution, hunger and disease as a result of climate change and carbon-intensive economies, and that toll would likely rise to six million a year by 2030 if current patterns of fossil fuel use continue.
More than 90% of those deaths will occur in developing countries, said the report that calculated the human and economic impact of climate change on 184 countries in 2010 and 2030. It was commissioned by the Climate Vulnerable Forum, a partnership of 20 developing countries threatened by climate change.
"A combined climate-carbon crisis is estimated to claim 100 million lives between now and the end of the next decade," the report said.
It said the effects of climate change had lowered global output by 1.6 percent of world GDP, or by about $1.2 trillion a year, and losses could double to 3.2% of global GDP by 2030 if global temperatures are allowed to rise, surpassing 10 percent before 2100.
It estimated the cost of moving the world to a low-carbon economy at about 0.5% of GDP this decade.
COUNTING THE COST
British economist Nicholas Stern told Reuters earlier this year investment equivalent to 2% of global GDP was needed to limit, prevent and adapt to climate change. His report on the economics of climate change in 2006 said an average global temperature rise of 2-3 degrees Celsius in the next 50 years could reduce global consumption per head by up to 20%.
Temperatures have already risen by about 0.8 degrees Celsius above pre-industrial times. Almost 200 nations agreed in 2010 to limit the global average temperature rise to below 2C (3.6 Fahrenheit) to avoid dangerous impacts from climate change.

But climate scientists have warned that the chance of limiting the rise to below 2C is getting smaller as global greenhouse gas emissions rise due to burning fossil fuels.
The world's poorest nations are the most vulnerable as they face increased risk of drought, water shortages, crop failure, poverty and disease. On average, they could see an 11% loss in GDP by 2030 due to climate change, DARA said.
"One degree Celsius rise in temperature is associated with 10% productivity loss in farming. For us, it means losing about 4 million metric tonnes of food grain, amounting to about $2.5 billion. That is about 2 percent of our GDP," Bangladesh's Prime Minister Sheikh Hasina said in response to the report.
"Adding up the damages to property and other losses, we are faced with a total loss of about 3-4% of GDP."
Even the biggest and most rapidly developing economies will not escape unscathed. The United States and China could see a 2.1 percent reduction in their respective GDPs by 2030, while India could experience a more than 5% loss.
The full report is available at: http://daraint.org/