Plant a tree: Milan's ambitious plans to be cleaner, greener

If Italy's fashion capital has a predominant color, it is gray—not only because of the blocks of neoclassical stone buildings for which the city is celebrated, but also due to its often-gray sky, which traps pollution.

Guru-turned-entrepreneur targets India's online market

Baba Ramdev, the popular yoga guru-turned-entrepreneur behind one of India's biggest brands, said Tuesday he was tying up with Amazon to target the country's $1 billion online market for consumer goods.

SpaceX's Musk unveils plan to reach Mars by 2022

Futurist and inventor Elon Musk unveiled ambitious plans Friday to send cargo ships to Mars in five years and use rockets to carry people between Earth's major cities in under half-an-hour.

Delhiites urged to accept controversial car ban plan

Delhi's firebrand Chief Minister Arvind Kejriwal called on residents of India's capital Thursday to cooperate with his ambitious plans to clean up the toxic air of the world's most polluted city.

Post-Fukushima, Asia still drives global nuclear growth

Safety concerns in the wake of the Fukushima reactor disaster in Japan have done little to curb Asia's ambitious plans for expanding the role of nuclear power in the regional energy mix.

Minnesota sets goals for fixing Gulf of Mexico dead zone

Minnesota's top pollution officials are setting ambitious goals - primarily for farmers - to cut back on the millions of tons of pollution that each year flow out of the state and down the Mississippi River to the Gulf of ...

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