OCEAN

Arctic Oil and Gas Rush Alarms Scientists

Stephen Alaska, arctic, Biodiversity, CANADA, CLIMATE CHANGE/GLOBAL WARMING, Energy, global warming, OCEAN, Pollution and Toxics , , ,

By Stephen Leahy

[See also more recent story: Arctic Ice Gone in 5 Years – First Time in One Million Years; see also other Arctic and oil stories below. US and Canada to start offshore drilling in the Arctic summer 2010 – your support is needed to investigate and report on this. ]

UXBRIDGE, Canada, Sep 8 2008 (IPS)

As greenhouse gas pollution destroys Arctic ecosystems, countries like Canada are spending millions not to halt the destruction but to exploit it.

Late last August, Canada announced a 93.7-million-dollar prospecting programme to map the energy and mineral resources of the region. There are “countless other precious resources buried under the sea ice and tundra,” Prime Minister Stephen Harper said during the announcement. The government’s mapping effort is expected to trigger 469 million dollars in private sector resource exploration and development.

“It is estimated that a quarter of the world’s undiscovered oil and gas lies under the Arctic,” Harper said.

This scramble to exploit some of the most environmentally delicate regions of Earth has alarmed international experts who are meeting this week in Iceland to make recommendations to the United Nations and world governments on how to protect the polar regions.

“Many experts believe this new rush to the polar regions is not manageable within existing international law,” says A.H. Zakri, director of the United Nations University’s Yokohama-based Institute of Advanced Studies (UNU-IAS), co-organisers of the conference with Iceland’s University of Akureyri. Continue reading →

Extinction Crisis Serious Threat to Our Health – says Harvard Doc

Stephen Biodiversity, ECOLOGY, Health, News, OCEAN, WILDLIFE

“Few people realize our health is directly tied to the health of the natural world,” — Dr. Aaron Bernstein, Harvard Medical School

Bernstein and colleagues reveal the latest scientific evidence to make a persuasive case that the current extinction crisis, with species vanishing every day, is a serious threat to humanity equal to, if not greater than, climate change.

Their findings are documented in a new book “Sustaining Life“, see here for complete article.

“When we harm nature, we are harming ourselves,” says Bernstein.

Lose Corals and We Will be Fighting for Our Own Survival

Stephen Biodiversity, CLIMATE CHANGE/GLOBAL WARMING, Mexico, News, OCEAN , , , , ,

Interview with Marine Scientist Roberto Iglesias-Prieto

By Stephen Leahy

FORT LAUDERDALE, Florida, U.S., Jul 31 (Tierramérica)

“There would be no white sands on the beaches of Cancún without the Mesoamerican reef,” Professor Roberto Iglesias-Prieto, a marine ecophysiologist working at the Institute of Marine Sciences and Limnology of the National Autonomous University of Mexico, told Tierramérica.

Tourism is Mexico’s third leading source of revenue, and the country needs to invest much more in protecting its valuable coral systems, says the expert. But to explain the problems that coral reefs face “it is not enough to be an ecologist; one has to be an economist and political scientist as well,” he adds.

The Mesoamerican reef, which is off the Yucatán Peninsula and is shared by Mexico, Belize, Guatemala and Honduras, extends 1,100 kilometres, making it the largest in the Atlantic Ocean and the second largest in the world, after the Great Barrier Reef east of Australia.

Corals are crucial for the health of oceans and are home to 25 to 33 percent of marine life. The livelihoods of one billion people rely on coral reefs, directly or indirectly.

But the reefs are dying as a result of excessive fishing, pollution and climate change, which is heating up the water and causing acidification.

Few coral reefs will be healthy beyond 2050 if significant reductions in emissions from the burning of fossil fuels do not occur in the near term, most experts in this field agree.

Tierramérica’s Stephen Leahy spoke with Iglesias-Prieto during the 11th International Coral Reef Symposium in July in Fort Lauderdale, Florida.

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Continue reading →

Cutting CO2 Only Way to Save Dying Corals

Stephen 1 Must Read, Biodiversity, CLIMATE CHANGE/GLOBAL WARMING, ECOLOGY, Energy, ENVIRONMENT, Food, global warming, News, OCEAN , , , , , ,

By Stephen Leahy

FORT LAUDERDALE, U.S., July 12 2008 (IPS)

The rapid decline of coral reefs around the world offers a potent warning that entire ecosystems can collapse due to human activities, although there is hope for reefs if immediate action is taken, coral experts agreed at the conclusion of a five-day international meeting Friday.

“Reefs are in serious trouble, but don’t write them off,” Terry Hughes, a marine ecologist at Australia’s James Cook University told 3,000 scientists, conservationists and policy makers attending at the 11th International Coral Reef Symposium (ICRS) in Fort Lauderdale, Florida.

“We can save reefs if we take immediate action,” Hughes said.

More than 20 percent of the world’s reefs have died, and large areas are failing due to a combination of climate change, overfishing, pollution and sea level rise. Most of the fabulous corals that attract tourists to the Caribbean are gone and half of remaining reefs in the U.S. are in serious decline.

[Update 08/10 – Here’s a list of Stephen Leahy’s latest articles on corals Coral Reefs and Acid Oceans Series]

“We may be facing ocean deserts in the future,” said Guillermo Dias-Pulido of Australia’s University of Queensland.

Continue reading →

A Third of Corals Face Extinction

Stephen Biodiversity, CLIMATE CHANGE/GLOBAL WARMING, ECOLOGY, ENVIRONMENT, News, OCEAN , ,

By Stephen Leahy
FORT LAUDERDALE, U.S., Jul 10 (IPS) – One third of reef-building corals already face extinction because of climate change, the first-ever global assessment has found.

Reefs are made up of hundreds of coral species, and a two-year study to determine the current status of corals has discovered that 231 of the 704 species assessed will be “red-listed” Thursday. This means these 231 species meet the International Union for Conservation of Nature (IUCN) Red List Criteria for species at risk of extinction in the near future.

Previously, only 10 species of corals had been red-listed, mainly because no proper assessment had been done before.

“We were not expecting the numbers to be that high,” said Suzanne Livingstone of the IUCN’s Global Marine Species Assessment (GMSA) in Norfolk, Virginia. The paper was published Thursday in Science.

If the same assessment of corals had been done 20 years ago, only 13 of the 704 species would have been red-listed, Livingstone told IPS at the 11th International Coral Reef Symposium (ICRS) in Fort Lauderdale, Florida. However, in that short time span, climate change has warmed the oceans and begun to make them more acidic and corals are suffering.

“It’s frightening when you think about it,” she said.

Continue reading →

Global Fish Catches Vastly Underestimated

Stephen ECOLOGY, ENVIRONMENT, Global Issues and Perspectives, News, OCEAN ,

By Stephen Leahy

FORT LAUDERDALE, U.S., Jul 8 (IPS) – Fish catches in tropical island nations may be as much as 17 times higher than officially reported, according to a new study released Tuesday.

“The underreporting of fish catches is of such a magnitude it boggles the mind,” said Daniel Pauly, a renowned fisheries expert at the University of British Columbia (UBC).

All of the 20 small Pacific island countries in the study underreported catches, mainly because they did not count the catch by small-scale local fishers. This is not unique — even the U.S. does not report local and recreational fishing statistics, Pauly told IPS at the 11th International Coral Reef Symposium (ICRS) in Fort Lauderdale, Florida Tuesday.

A different study also released Tuesday estimates that the unreported recreational fish catch in the Hawaiian Islands doubles the size of the official catch. It also concluded that 75 percent of reef fishes in the main Hawaiian Islands are depleted or in critical condition because of overfishing. Continue reading →

Life Support Needed For Coral Reefs

Stephen CLIMATE CHANGE/GLOBAL WARMING, ECOLOGY, Energy, ENVIRONMENT, News, OCEAN , ,

By Stephen Leahy


FORT LAUDERDALE, U.S., Jul 8 (IPS) – Coral reefs need to be put on “life support” if they are to survive climate change, but their ultimate survival is dependant on major reductions in fossil fuel emissions, say experts.

“We’re going to hear lots of bad news about corals in the next few decades,” Rich Aronson, president of the International Society for Reef Studies, told 3,000 scientists, conservationists and policy makers at the 11th International Coral Reef Symposium (ICRS) in Fort Lauderdale, Florida Monday.

Climate change is making the ocean too warm and too acidic for most corals species to survive beyond the year 2050, many marine scientists now believe.

“The situation is serious to the point of desperation,” Aronson told IPS in an interview.

Past and present carbon emissions from burning fossil fuels have already altered the oceans, leading to declines in corals in many areas. This trend will continue for decades even if it were possible to eliminate all emissions today, scientists say. Current emissions are running at eight to nine gigatonnes a year and rising, resulting in dramatically altered oceans where few of the current coral species will be able to survive.

“This is a pivotal moment. We must act strongly and immediately if we are to have coral reefs as we know them,” Aronson said. Continue reading →

“We’re Running the Risk of Unstoppable Climate Change” — Oceanographer

Stephen Biodiversity, CLIMATE CHANGE/GLOBAL WARMING, ECOLOGY, ENVIRONMENT, Hurricane, News, OCEAN, Science ,

Interview with leading marine scientist Chris Reid

“I’m afraid it is going to take a major catastrophe in the developed world…”

GIJON, Spain, Jun 4 (IPS) – Warming seawater, melting sea ice and glaciers, sea level rise, storm intensification, changes in ocean currents, growing “dead zones”, and ocean acidification are just some of the signs that the oceans that cover 71 percent of our watery planet are changing.

Changes in the oceans also means major impacts on the land and the atmosphere. “Policy makers and the public do not realize that the oceans are the drivers of the climate system,” says Chris Reid, recently retired professor of oceanography at the Sir Alister Hardy Foundation for Ocean Science in Plymouth, England.

Reid will be producing a report this summer on the impacts the altered oceans are having and will have on the global climate.

IPS environment correspondent Stephen Leahy spoke to Reid at an international scientific symposium held late last month in Gijon, Spain on the effects of climate change on the world’s oceans.

IPS: What is happening in the oceans that will affect the global climate?

CR: The oceans have absorbed 30 percent of all human emissions of carbon dioxide (CO2) since the start of the industrial age. There is now good evidence that the oceans are absorbing less carbon as a result of climate change. The warming of surface waters, glacial and sea ice meltwater, acidification and so on are inhibiting or slowing a number of the oceans’ mechanisms for absorbing carbon from the atmosphere and safely storing them in the deep ocean.

IPS: How will that affect us?

CR: It means the atmospheric concentrations of CO2 will rise much faster than has been previously projected by climate scientists. Human carbon emissions are already on pace for the worst case scenario as envisioned by the IPCC (Intergovernmental Panel on Climate Change). These changes in the oceans means the rate of warming will increase, bringing even more severe hurricanes and cyclones, flooding events and so on.

IPS: Cyclones like the one that recently devastated Burma?

CR: Yes. Research presented at this meeting shows that South Korea and Japan are experiencing more powerful cyclones. While a single event can’t be precisely connected to climate change, the Burma cyclone fits what is expected with climate change. Continue reading →

Economics Killing Mother Nature

Stephen Biodiversity, ECOLOGY, economics, ENVIRONMENT, Forests, News, OCEAN

For 40 years some economists have known boosting GDP was perverse and suicidal — i.e. Hurricane Katrina was great for the US economy — and is laying waste to the planet’s ecosystems

By Stephen Leahy

BONN, May 30 (IPS) – The global biodiversity crisis that threatens life on Earth is driven by economic policies that fail to value nature, a new report finds.

It took the 2006 Stern Review to convince business and governments that combating climate change would be far less costly than ignoring it. Now another “Stern-like” report pegs the ecological damage to the planet’s land areas every year at 78 billion dollars due to ongoing loss of biodiversity.

“The developing world will never catch up with the developed world at the current level of biodiversity loss,” said Pavan Sukhdev, the lead author of the report and head of Deutsche Bank’s global markets business in India. Continue reading →

Ocean Trouble and the End of Hurricane Seasons

Stephen Biodiversity, CLIMATE CHANGE/GLOBAL WARMING, ECOLOGY, ENVIRONMENT, News, OCEAN , ,

By Stephen Leahy*

New, disconcerting science from the oceans

GIJÓN, Spain, May 26 (Tierramérica).- Climate change is altering the world’s oceans in so many ways scientists cannot keep pace, and as a result there is no comprehensive vision of its present and future impacts, say experts.

Rising sea levels, changes in hurricane intensity and seasonality, declines in fisheries and corals are among the many effects attributed to climate change.

In an attempt to put some order to their disconcerting findings, more than 450 scientists from some 60 countries gathered in the northern Spanish city of Gijón for the symposium “Effects of Climate Change on the World’s Oceans” May 19-23.

Change is evident where ever marine scientists look. Sea level rise and warmer ocean temperatures are the most obvious, but other changes include a decline in the oceans’ productivity, which means many areas are unable to support as many fish as they once did, according to Luis Valdés, a world expert on plankton and one of the symposium organizers. Continue reading →