Which greenhouse gas is emitted when people burn fossil fuels for energy?

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )

Why did the belgian parliament pass laws to decentralize its government? a. to increase trade with neighboring luxembourg b. to decrease the political power enjoyed by the flemish c. to enable belgium to join the european union d. to reduce tensions between belgium's two main ethnic groups