Why is the ground sinking in Mexico City and how are the residents managing the shortage of water? Let's find out.
On April 16, the glitzy city of Dubai was drenched by heavy rains that led to flooding. Let's find out more.
Did you know that a California man was recently arrested and charged for allegedly smuggling greenhouse gases from Mexico?
As 10,500 athletes arrive in Paris for the Olympics, the host city is looking to make the event greener. Let's find out more.