Green shoots: Rooftop farming takes off in Singapore

On the rooftop of a Singapore shopping mall, a sprawling patch of eggplants, rosemary, bananas and papayas stand in colourful contrast to the grey skyscrapers of the city-state's business district.

Ships' emissions create measurable regional change in clouds

A container ship leaves a trail of white clouds in its wake that can linger in the air for hours. This puffy line is not just exhaust from the engine, but a change in the clouds that's caused by small airborne particles of ...

Indonesia ships back tonnes of Australian waste

Indonesia has shipped tonnes of Australian garbage out of the country, an official said Tuesday, as Southeast Asian nations push back against serving as dumping grounds for foreign trash.

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