Yale Environment 360: Gevra mine, operated by Coal India Limited Continuing its push to increase investment in renewable energy, Indias energy ministry is working with the state-controlled coal mining company Coal India Limited -- the largest coal mining operation in the world -- to install solar power projects worth $1.2 billion. The company is in the process of selecting sites for solar plants, which are expected to have a combined total energy-generating capacity of 1,000 megawatts, the Times of India reports. India...