Reforestation efforts reshape Hawaii's soil hydrology

Starting with the arrival of Polynesian settlers in the fourth century, and peaking in the mid-1800s, the destructive forces of wildfires and pests and the grazing of feral pigs, goats, and cattle reduced the native forests ...

Scientists examine toxicity of medicinal plants in Peru

Many developing countries rely on traditional medicine as an accessible and affordable treatment option for human maladies. However, until now, scientific data has not existed to evaluate the potential toxicity of medicinal ...

NYC study: 50 native plants disappearing

(AP) -- Oriental Bittersweet was an exotic foreigner still found mostly in East Asia when the New York Botanical Garden planted its first specimen in 1897.

In Canada's boreal forest, one man works to save caribou

Even though he lives in the middle of Canada's boreal forest, Jean-Luc Kanape can sometimes go weeks without seeing a single caribou. But for as long as he can remember, the animals have been part of his life.

Australia must stop building homes in such fire-prone areas

Yesterday, the New South Wales government accepted all 76 recommendations from an independent inquiry into last summer's devastating bushfire season. Several recommendations called for increased hazard reduction, such as ...

5,000 feral camels culled in drought-hit Australia

Helicopter-borne marksmen killed more than 5,000 camels in a five-day cull of feral herds that were threatening indigenous communities in drought-stricken areas of southern Australia, officials said Tuesday.

Secret lives of rats: Studying the ecology of urban ship rats

"Rats are a particularly damaging invasive species in New Zealand," Henry says. "Understanding them better, including how they move through an urban environment and what their habitat preferences are, will give insight into ...

A how-to guide for climate-proof cities

Roughly 400 miles separate Memphis and New Orleans. Interstate 55 connects the two cities, snaking south parallel to the Mississippi River. The drive is dull. There are few cars. The trees are endless.

Seed conservation in the remote South Atlantic

Islands have long held a fascination for scientists studying evolution and patterns of biodiversity, from Charles Darwin and Alfred Russell Wallace in the 19th century, to Robert MacArthur and E.O. Wilson in the 20th century, ...

Using computer models to help our fragile ecosystem

Global warming is well-known for its effect on the climate. But it also poses a threat to the world's ecosystems. University of Toronto researcher Benjamin Gilbert wants to know more about that process.

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