Slowing the insect invasion: wood packaging sanitation policy yields US $11.7 billion net benefit
Jun06

Slowing the insect invasion: wood packaging sanitation policy yields US $11.7 billion net benefit

Risk analysis finds savings for homeowners and local governments of excluding invasive pests like the emerald ash borer outweigh added cost to imported goods.

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Strawberry poison frogs feed their babies poison eggs
Mar20

Strawberry poison frogs feed their babies poison eggs

The Strawberry poison frog lavishes care upon its offspring. It’s just that kind of frog. In the March issue of Ecology, Stynoski et al. report that it also feeds its progeny poison. Also in this issue: P value debates, arctic warming, and estimating the success of biological invasions.

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Global economic pressures trickle down to local landscape change, altering disease risk

by Liza Lester, ESA communications officer The pressures of global trade may heighten disease incidence by dictating changes in land use. A boom in disease-carrying ticks and chiggers has followed the abandonment of rice cultivation in Taiwanese paddies, say ecologist Chi-Chien Kuo and colleagues, demonstrating the potential for global commodities pricing to drive the spread of infections. Their work appears in the September issue of...

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A marketplace for nature’s services

In the Willamette River watershed, an experiment in ecosystem economics is underway. Map of the Willamette River Basin; Temperature Effects of Point Sources, Riparian Shading, and Dam Operations on the Willamette River. Credit, Oregon Water Science Center, USGS. “What we want to do,” said Bobby Cochran, “Is take the money that we’re spending now and redirect it the way nature would spend it.” Cochran is executive director of the...

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Economist William Nordhaus rebuts “No Need to Panic About Global Warming” WSJ Op-Ed

By Liza Lester, ESA communications officer. “My response is primarily designed to correct their misleading description of my own research; but it also is directed more broadly at their attempt to discredit scientists and scientific research on climate change.” WILLIAM Nordhaus is not pulling any punches. The Yale economist and author of A Question of Balance: Weighing the Options on Global Warming Policies (Yale University Press,...

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Spaceship Earth?

This post contributed by Liza Lester, ESA communications officer Astronaut Bruce McCandless II drifts free, 350 kilometers above Earth’s surface and 100 meters from the safe haven of the Space Shuttle Challenger, during one of NASA’s first un-tethered spacewalks (credit, STS-41B, NASA 1984, via the Astronomy Picture of the Day). Invisible bonds of absolute necessity hold the free-flying astronaut to his shuttle, and to Earth below. He...

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When it comes to economics, diversity is key

A study published this week in Nature compared the U.S. economic downturn with a current ecological issue: a decline in biodiversity. In the study, economist Andrew Haldane of the Bank of England and zoologist Robert May of Oxford University basically described the financial system as having similar weaknesses as a monoculture. That is, if all banks are run equally, they are more susceptible to a uniform crisis; much in the way that a...

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Optimistic economists weigh in on climate change

A group called Economics for Equity and the Environment released a report today detailing their predicted costs for reducing greenhouse gas emissions.  According to this article in the Washington Post, the cost could be as low as between one and three percent of the country’s GDP each year to reduce the levels of carbon dioxide in the Earth’s atmosphere to 350 parts per million (ppm) from the current 387. The groups...

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