This large gravel mine, now supplying product for a major road upgrade, has turned this section of Manitoba's Birdtail River valley into a hive of activity. It has also brought noise, emissions and congestion to the surrounding area .
Wednesday, 16 May 2018
Scientists struggle to explain a worrying rise in atmospheric methane
A PinP photo.
In the past decade methane levels have shot up, to the extent that the atmosphere contains two-and-a-half times as much of the gas as it did before the Industrial Revolution. More here.