Tag: "unsustainable" at biology news

Trouble for the world's turtles

...xporting large numbers ofturtles to China and this unsustainable trade now seems to be extending to othercountries as well. Indeed, well over 7 million turtles of several species areexported every year from the United States, as pets or food products. Turtlespecies in the United States often receive little or no ...

Tax top of the food chain to aid environmental sustainability

...human well-being, degradation of the ecosphere and unsustainable economies. The contributors examine key elements of ecological integrity and consider what happens when it is lost or compromised. For his part, Pimentel notes that "a powerful trend to eat lower on the food chain" has started in many developed na...

Geologists explore beach nourishment controversies, groundwater quality, and Blue Ridge mountain issues

...eived local, state, and federal policies encourage unsustainable development on coastal barrier islands by offering subsidized flood insurance policies, beach-building funds, road construction money, bridge construction costs, and financing for additional infrastructure. The resulting need for nourishment programs...

Military technologies and increased fishing effort leave no place for fish to hide

...ins bison in the 19th Century, says Birkeland. The unsustainable pursuit of larger and more desirable coral reef species is also being fueled by the growth of international markets. Greater prosperity and demand for live food fish in South-East Asia has driven prices so high that it is profitable to pursue fish to...

Report supports sustainable food production

...nventional or industrial agriculture is considered unsustainable because it erodes natural resources faster than the environment can regenerate them, and because it depends heavily on resources that are nonrenewable, meaning fossil fuels. Horrigan and his colleagues use examples from around the world to illustrate...

WCS launches new program aimed at reducing unsustainable hunting overseas

...S) has launched a new program aimed at eliminating unsustainable hunting overseas, calling it the single greatest t... WCS is assisting in policy initiatives to control unsustainable hunting. In Sarawak, WCS helped develop a sweeping law that banned all commercial hunting, but allo...

Advance warning of storms and cyclones with new technique

...ur". Development of forested areas, the growth of unsustainable megacities and the overdevelopment of the coastal zone are just a few of the issues making countries in SE Asia and elsewhere more vulnerable to climatic events such as MJOs and El Nio. This is a major theme for discussion at the media roundtable in ...

Historic U.S.-Peru debt-for-nature swap

...er of threats including the loss of habitat due to unsustainable logging (particularly of hardwoods such as mahogan...o agriculture, mining, oil and gas exploration and unsustainable harvesting of nontimber forest products such as Brazil nuts and heart of palm. Funding for conserva...

Farming the tigers of the sea undermines the promise of aquaculture

..., the 'tigers of the sea' is clearly following an unsustainable path." The report recommends that the expansion of finfish farming be based on closed systems, with total containment of fish and recovery and reuse of wastes. Several examples of 'good aquaculture' practices are discussed, including farming vegetar...

Global analysis finds a large portion of the earth is still wilderness

...hreats such as destructive agricultural practices, unsustainable hunting, invasive species, and resource extraction activities like industrial-scale logging and mining. "Sixteen of the wilderness areas have roughly equal to or less than one person per square kilometer, and a human population of only 43 million, re...

Bad Mileage: 98 tons of plants per gallon

...s to enable us to picture just how inefficient and unsustainable fossil fuels are inefficient in terms of the conversion of the original solar energy to fossil fuels. Fortunately, it is much more efficient to use modern energy sources like wind and solar. As the reasons keep piling up to switch away from fossil f...

Liberia announces protection of 155,000-acres of forest

...ajor threats to the Liberia's biodiversity such as unsustainable logging and poaching. Extreme habitat fragmentation and degradation continue to threaten much of the remainder of Liberia's unprotected forests. The forest reform process took a major step forward in mid-October, when more than 200 Liberian forester...

Asia's biodiversity vanishing into the marketplace

...rade in wildlife must been seen for what it is: an unsustainable practice that is rapidly depleting Asia's forests, rivers and oceans....

Two billion vulnerable to floods by 2050; number expected to double or more in two generations

...livestock damage and other serious harm. UNU says unsustainable land use and other human actions aggravate the situation. The greatest potential flood hazard is in Asia. Every year for the past two decades, more than 400 million people on average have been directly exposed to a flood. Between 1987 and 1997,...

Laos camera traps capture tigers

...forests had been emptied by the wildlife trade and unsustainable hunting," said Arlyne Johnson, researcher for WCS's Asia Program. "In particular, the presence of species such as gaur, sambar deer and muntjacs is important for tigers that rely on these prey species." Another goal of the tiger survey is to...

As humans alter land, infectious diseases follow

...says Patz. "The causes are interwoven into current unsustainable development practices. " The list of activities that contribute to the spread of infectious disease, according to the Environmental Health Perspectives report, is long and varied, ranging from seemingly innocuous pursuits like ecotourism and agricu...

Endangered turtles' trek along ocean currents revealed by satellite

...ction - but the turtles are still being lost at an unsustainable rate. A paper was recently published in Nature summarising the work done so far in tracking leatherbacks through the Atlantic, submitted by a team of researchers from France's National Centre for Scientific Research in Strasbourg, neighbouring ...

ConocoPhillips & Conservation International launch 'Biodiversity Action Plan' in Venezuela

...re from rapidly expanding petroleum production and unsustainable fishing practices that are depleting local fish and shrimp stocks. "The Gulf of Paria is located in a very important area for marine species richness which many communities in the region rely on for their livelihoods. It is also an area of rapidly g...

Genetic modification of linseed produces healthier omega 3 and 6 fatty acids

...plants may reduce environmentally and economically unsustainable pressures on both wild and farmed fisheries. Fatty acids are long straight chains of carbon atoms, ranging in length from about 12 to 22 carbons (C12 to C22). They have one water-soluble end and one oil-soluble methyl end, and are studded with hydro...

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