Snapshot of a Climate Bill

The main provisions in legislation sponsored by Senators John Kerry and Barbara Boxer

OVERALL GREENHOUSE GAS REDUCTIONS

20% by 2020; 83% by 2050 (compared with 2005 levels)

CAP AND TRADE

Regulated industries purchase permits to emit greenhouse gases; permits can be traded

"OFFSETS"

Companies can comply with new restrictions by paying others to reduce emissions

REDUCTION METHODS

Include expanding forests and eliminating methane from landfills and coal mines

NUCLEAR OPTION

Bill designed to promote more use of non-polluting nuclear power