Almost half of the world's farmland has at least 10 percent tree cover totalling about 10 million square kilometres - roughly the size of Canada – suggesting farmers are less destructive of forests than previously believed. The World Agroforestry Center in Nairobi used satellite imagery to estimate the extent of farmland tree cover.
Almost a fifth of the UK's honeybees died last winter, the British Beekeepers' Association has said. Combined with an average 30% loss the year before, it means beekeepers are struggling to keep colonies going.
The leaders of 10 African countries are gathering in Ethiopia to try to agree a common position on climate change. Under the auspices of the African Union, the meeting will underline the chief African demand for compensation for damages caused by global warming.
Brazil, long proud of its push to develop renewable energy and wean itself off oil, has a bad case of fossil-fuel fever following discovery of an enormous offshore field in territorial waters - the biggest Western Hemisphere oil discovery in 30 years. Moreover the potential yield for the area of seabed in question may be as much as 100 billion barrels.
An Internet-routing algorithm that tracks electricity price fluctuations could save data-hungry companies such as Google, Microsoft, and Amazon millions of dollars each year in electricity costs, reducing energy use by as much as 40%.
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