Trucks dump rubbish. Big earth movers push it into place and crush it down. They cover the rubbish with dirt to keep scavengers(食腐动物, 拾荒者)away. The bottom of a landfill is lined with a barrier to keep bad things from leaking(渗透)into the ground. Pipes carry away liquid. ...
We studied garbage consumption by Asian elephants at the Uddakandara garbage dump in southern Sri Lanka. Garbage at the dump was classified under six categ
On trash pickup day in your neighborhood, you drag your trashcans to the curb, and workers dump the contents into a big truck and haul it away to the landfill. But maybe you have wondered, as you watch the trash truck pull away, just what a landfill is and where that garbage ends ...
“It’s the movement of the thousands of diesel trucks that have the most negative effects,” says Cohen. “Some of the ingredients of diesel fuel are carcinogenic.” Providing an alternate fuel source for these toxin-spewing vehicles is an option to reduce pollution, but it is not one that...