Yale Environment 360: India's finance minister has doubled the tax on coal imported to or mined in the country, raising the tariff from $0.83 to $1.67 per metric ton, with plans to use the revenue to fund a host of renewable energy projects over the next decade, Clean Technica reports. The revenue will be added to the National Clean Energy Fund, which was established to provide low-cost financing for renewable energy projects. The fund's scope will be expanded to include environmental projects as well as clean energy...