Keith Laidler, Author at Â鶹´«Ã½ Science news and science articles from Â鶹´«Ã½ Fri, 25 Aug 1989 23:00:00 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.7 242057827 A whole lot of mining going on: Extracting coal from shallow seams is cheap and causes no lasting damage to the environment, say the mining companies – Experience in Britain suggests it may not be quite so straightforward /article/1817129-mg12316793-800/?utm_campaign=RSS|NSNS&utm_content=currents&utm_medium=RSS&utm_source=NSNS Fri, 25 Aug 1989 23:00:00 +0000 http://mg12316793.800 1817129