Summary . TransCanada, the sponsor of the Keystone XL pipeline project, filed an updated application for approval with the U. S. Departme...

Global warming is the rise in the average temperature of Earth's atmosphere and oceans since the late 19th century and its projected continuation. Since the ...
Summary . TransCanada, the sponsor of the Keystone XL pipeline project, filed an updated application for approval with the U. S. Departme...
Summary . The European Union instituted its Emissions Trading Scheme, using a cap and trade mechanism, in 2005. Since that time, the Sch...
Summary . Public opinion surveys in the U. S. show that more than two-thirds currently think there is solid evidence that the earth is w...