Cheap natural gas leads to more plants and pollution, report suggests
Environmental group says 44 large-scale petrochemical developments would spew as much pollution as 19 new coal-fired power plants.
Mexico to put $4.9B in power, gas pipelines projects up for bid
Project bidding will be open to private and foreign firms.
Clark says BC's LNG plants will do the world a clean air favour
Timing is crucial to reach multi-billion-dollar deals with gas companies in China and Japan, BC premier says.