EarthOverfishing began with the Victorians European fishery stocks fell by over 90 per cent between the 1880s and 1970, suggesting that short-term fishing limits will fail to restore stocks now 51¶¯Âþ
EarthCactus gum could make clean water cheap for millions The prickly pear cactus, which grows all over the world, contains gum that can clear sediment and some bacteria from water 51¶¯Âþ