Articles with the keyword: 
CNN-Endangered zebra life caught on GPS
kavin submitted, created time 8 months 2 weeks (edition.cnn.com)
If you were a zebra, how would you spend your days? Daniel Rubenstein and collaborators suggest that the zebras are like grass vacuum cleaners, chip-clipping away at the vegetation as they move. From that, people come to understand that wildlife and livestock are not necessarily antagonistic."No longer are [zebras] necessarily vermin that are viewed negatively by the community," Rubenstein said. "They now have some economic worth." 


MIT: Human-generated ozone will damage crops
kitty submitted, created time 1 year 2 months (web.mit.edu)
An MIT study concludes that increasing levels of ozone due to the growing use of fossil fuels will damage global vegetation, resulting in serious costs to the world's economy. 
\ 1
\