Several years after scientists discovered what was considered the oldest crater a meteorite made on the planet, another team found it’s actually the result of normal geological processes.
Greenland is the world’s largest “non-continental” island, and about 80 per cent of this island is covered by the Greenland Ice Sheet. In recent years, however, the melting of this ice sheet has accelerated, leading to an increased contribution to rising sea levels.
Targeted wetland restoration in heavily farmed areas would dramatically reduce the amount of nitrogen polluting rivers, lakes and coastal areas, a new study finds.
Researchers at the University of Waterloo and the University of Illinois Chicago (UIC) examined detailed data on wetland locations and nitrogen loads from fertilizer on farm fields throughout the United States.