Crime-scene technique identifies asteroid sites

Tens of tons of extraterrestrial solid material collide with Earth daily. Most of this material is small enough that it burns up in the atmosphere, but some fragments are large enough to cause quite a predicament. In 2013, ...

Air pollution becomes Israel-Palestinian wedge issue

For years, residents of central Israel have been complaining about air pollution from Palestinian factories in the nearby West Bank. Now that authorities have finally cracked down, shutting a group of the worst offending ...

Restoring the American chestnut

The American chestnut was once a mainstay in hardwood forests as far north as Maine and as far south as Georgia and Mississippi. A massive chestnut blight in the early part of the 20th century ended the mighty chestnut's ...

Kenyans swap carbon roles to save forest

Mwakitau Kaleghe used to scratch out a living from burning charcoal, culled from trees whose felling helped turn a rich tropical woodland in southern Kenya into a desolate mosaic.

Charred flowers and the fossil record

One of the main types of fossil used to understand the first flowering plants (angiosperms) are charred flowers. These charcoals were produced in ancient wildfires, and they provide some evidence for the types of plants that ...

New source of fire records gives a bigger picture of the risks

Sand dunes are not an obvious place to find high-quality fire records. For a start, anyone who walks on the forested sand dunes of South-East Queensland will be impressed by the intensity of ant activity at their feet. The ...

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