A rush to extract methane from the depths of Africa's Lake Kivu could trigger a huge upwelling of suffocating gas, potentially affecting over 2 million people.

With creationists arguing over its formation, and lengthy disputes over land rights, the Grand Canyon has often been the focus of controversy.

After neglecting the north east for years, Delhi now feels the need to initiate developmental activities in the region. There is good reason. Indo Chinese ties are improving. Moreover, a sub regional economic grouping comprising India, China, Myanmar