Today's students need to know about climate change-- what it is, why it is occurring, how it will impact them, and what can be done about it. Heat-trapping gas emissions from power plants, vehicles,...
Todays students need to know about climate change: what it is, why it is occurring, how it will impact them, and what can be done about it. Heat-trapping gas emissions from power plants, vehicles,...
Some rows of the field in the photograph contain cotton plants (Gossypium sp) that are genetically engineered to produce a toxin from the bacterium Bacillus thuringiensis (Bt). Bt kills insects that...
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A grey tree frog (Hyla versicolor). Amphibian species are declining globally, and pesticides may play a role, but their concentrations are often low in nature. Carbaryl is a common pesticide that can...
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A male Klug’s clearwing butterfly (Dircenna klugii klugii) foraging on a coffee flower (Coffea arabica) in the Soconusco region of Chiapas, Mexico. Shade-grown coffee certification programs...
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The central Amazon Basin is home to some of the most biologically diverse forests in the world. These rain forests are being reduced and fragmented at a fast rate (as of 2004, about 24 million...
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An abandoned 19th century barn is located within a remnant oak-savannah ecosystem in southwestern British Columbia, Canada. The herbaceous vegetation in the foreground includes the pink-flowered...
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The ring-tailed lemur (Lemur catta) serves as a key agent of seed dispersal in southern Madagascar, where the landscape is heavily fragmented by agriculture and remaining forest patches are protected...
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The scleractinian coral genus Acropora is a competitively dominant species in shallow coral reefs of the Indo-Pacific. It is highly susceptible to bleaching, which is thought to be primarily caused...
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