Cities worldwide dim lights to mark Earth Hour

Cities around the world were turning off their lights Saturday for Earth Hour, with this year's event highlighting the link between the destruction of nature and increasing outbreaks of diseases like Covid-19.

Smart site selection can make hydropower greener

Even though new hydropower dam developments are intended to provide green energy, they can drown areas that are rich in plant and animal species. But this kind of collateral damage can be limited by strategic site selection, ...

COVID cuts billions of dollars and work hours

Working Australians, on average, lost 167 hours of work worth more than $5,000 each and $47 billion to the economy from the start of March to the end of October due to COVID-19, new research shows.

page 7 from 18