10 of TreeHugger's Most Powerful--and Potentially Depressing--Slideshows
Photo via Ebaum's World
Our lineup of slideshows highlights everything from wear-anywhere hemp fashion to attention-getting environmental ad campaigns. But they're not all so lighthearted: others tackle the effects of global warming, the dangers of mineral mining, and the almost-unbelievable levels of water pollution facing the Earth. The ten highlighted here might not be the cheeriest we've ever done, but they offer a powerful reminder of just how important sustainability can be.