With their bare hands, Celia Fung Sze-lai and her friends spend hours shredding foam lunch boxes into small flakes at the Occupy area outside the legislature.

Hong Kong is set to pay about 20 per cent more for its water imports from across the border as part of a new deal signed with Guangdong, but it is unclear whether it will translate into higher costs for consumers.

Protests are expected to ramp up a gear today after student leaders set CY Leung a deadline this evening to resign before they start occupying government buildings.

Hong Kong does not need a controversial HK$30 billion upgrade of its centralised wastewater treatment system as the water in the harbour is clean enough, at least for now, environment officials say.

Elite business groups have come out against a government proposal to import 30 per cent of Hong Kong's electricity from the mainland, favouring the present high degree of self-sufficiency.

The government must carry out more studies on local air pollution if it is to convince the public that further expansion of Tung Chung new town will not pose a risk to health, a green group says.

The first-ever collaborative project between Hong Kong and Shenzhen to create solar cells for power generation will come to an end this year after a subsidiary of American chemical giant DuPont pulled out.

A tin of cranberry sauce that's nearly seven years past its best-before date could still be safe to eat, testing by Baptist University has found.

The possible home of the endangered and highly priced Hong Kong grouper in Sai Kung should be turned into a marine park to better conserve the species of fish, green groups say.

A green group is calling on conservation officials to plug loopholes in protection measures for ecologically sensitive areas in Tuen Mun and South Lantau.

Conservation officials are mulling opening a new footpath in Tai Long Sai Wan that will bypass a blockade by rural residents upset over the incorporation of their village into a country park.