How do we stop plastic trash entering the Hauraki Gulf? Any beach walk shows it's a pressing problem, and one Aucklanders must solve.

A reader writes: Is it safe to eat the oysters growing in clumps in the Manukau Harbour?

Apple and the World Wildlife Fund will work together to manage as many as 1 million acres of forests across China.

If plastic trash diminishes your enjoyment of Auckland's beautiful marine environment, perhaps you could share your ideas on how to address the problem.

A tyre-recycling firm that has been blocked from adding to a tyre mountain in Kawerau has an undischarged bankrupt in a key management role and is overseen by a man who was linked to the crash of Cobb & Co.

"This is one of New Zealand's biggest ports - if we can't contain this, how are we going to deal with off-shore drilling? I don't think we can really take the risk."

As the people of Tauranga are once again having to deal with an oil spill in their harbour, we can't help but look back at the threat sunken ships pose to the environment, writes Sam Judd.

A publicly-owned entity must pay Mobil almost $1m in courts costs for its failed attempt to get the oil company to pay for the clean-up of Auckland's tank farm.

Energy Minister Simon Bridges agrees with some of the messages of protestors outside a petroleum summit being held in Auckland today.

Oil and gas sector leaders meet in Auckland today as the industry confronts depressed global prices and conference delegates face protests from activists.

The income earned by extracting phosphate would be $9.7 million per sq km, compared with $9000 per sq km annually from bottom trawling.

New Zealand's monitoring of air pollution is lagging behind the rest of the developed world and needs to start picking up the tiniest, most harmful particles, Government's environmental watchdog....

A massive pipi bed in Whangarei harbour is dying and there are fears the change could destabilise the harbour - and Marsden Point itself, Radio NZ reports.

A group of young adventurers are taking to the water in some unusual kayaks in a bid to battle plastic pollution.

A public health warning has been issued for a picturesque West Auckland lagoon amid fears the water is contaminated by leaking septic tanks from baches.

If a map in the Herald this week was an accurate reflection of reality, there would be good reason to exercise considerable caution before swimming at many of Auckland's beaches.

Climate Change Minister Tim Groser says NZ faces "a big challenge" in making new commitments to cut emissions, following a global agreement in Peru.

Could teamwork deliver a plan to save the Hauraki Gulf for future generations? Science reporter Jamie Morton considers the issue.

Paul Little writes: The sci-fi blockbuster Interstellar is one of those movies that has got everyone talking - jam-packed with conversation-starters about humanity.

New Zealand is “off track” in transitioning to a low-carbon future amid increasing international pressure to slash emissions, according to a Government briefing.

As $100 million of shiny new craft go on display at Auckland's On the Water Boat Show, the Hauraki Gulf has received a damning report about its health.

No party in an election campaign has a monopoly on wisdom; most have something important to say.

New Zealanders are evenly divided about whether farmers are moving quickly enough to reduce their impact on the environment, a Herald DigiPoll survey shows.