Browsing Tag

Energy Sources

Ageing dams pose growing threat: UN

By 2050, most of humanity will live downstream of large dams built in the 20th century; Increasingly expensive to maintain, experts foresee a trend to decommissioning damsCredit: UNU-INWEH By 2050, most people on Earth will live…

Abandoned cropland should produce biofuels

Growing grass may be a simple solution Growing perennial grasses on abandoned cropland has the potential to counteract some of the negative impacts of climate change by switching to more biofuels, according to a research group from the…