A more immediate problem for climate change is methane, which is
released by landfills and melting permafrost and through farming practices.
Not exact matches
The Mayor's recently
released OneNYC sustainability plan has adopted an ambitious goal of «zero waste,» which aims to reduce
by 90 per cent the amount of New York City trash sent to
landfills by 2030.
So
by 2005, says an EPA - funded study
released last May, there may be 500 million used, useless phones headed for
landfills.
About two thirds of the discarded devices were still functioning, upping the danger that they would crack during transport or when crushed
by garbage trucks, tossed into
landfills or incinerated (more of an issue in developing countries), thereby
releasing toxic chemicals into the environment.
Another 8 percent came from biomass and plants that burn gas from
landfills (which generates carbon but is considered «renewable» because the gas is
released by decomposing garbage).
By capturing this
landfill gas and using it to produce electricity, the methane and carbon dioxide contained within are destroyed, reducing the emissions
released.
Current official inventories of methane emissions, a potent greenhouse gas
released from
landfills, livestock ranches and oil and gas facilities, may be underestimated both nationally and in California
by a factor of about 1.5, according to new research from Berkeley Lab and others.