Harm of invasive species felt decades later

Animals and plants introduced from foreign habitats may not reveal themselves to be harmful invasive species for decades, according to a European study published on Monday.

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Arctic icecap safe from runaway melting: study

There is no "tipping point" beyond which climate change will inevitably push the Arctic ice cap into terminal melt off, according to a study released Wednesday.

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Sixty-year U.S. drought possible, study warns

U.S. researchers shows that the American southwest could experience a 60-year stretch of heat and drought unseen since the 12th century.

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IBM pitches "smart" cities as planet savers

IBM is helping cities worldwide get "smarter" about using resources in ways that are good for the Earth as well as local budgets.

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New climate battle looms in South Africa in 2011

The world’s governments face a new battle in South Africa in 2011 between rich and poor about slowing climate change, buoyed by some progress in Mexico but with faded hopes for a new treaty in coming years.

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• Baird sees long road ahead for climate talks
• Cancun reignites climate talks flame
• Nations' climate pacts hailed as 'first step' by Canada
• World leaders approve new global climate package, fund
• Climate talks head into overtime
• Climate change talked about, but not worried about: Poll
• Topic: Climate change summit

New branch of science may build a better tree

The old debate over real versus artificial Christmas trees is one thing, but what about genetically modified trees? A U.S.-based organization called the Institute of Forest Biotechnology has started talks on using technology to create trees that are easier to grow, yield higher-quality lumber, and are more resistant to disease, insects and climate change.

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