Fonterra chief executive Theo Spierings says the company is "eight to 10 years" behind other dairy players overseas when it comes to sustainability.

Every day, millions of tons of inadequately treated sewage, industrial and agricultural waste enters the world's waterways, writes Sam Judd.

A Mid Canterbury herd manager who admitted breaking the tails of at least 154 cows has been sentenced to eight months' home detention and will have to apply to own animals in the future.

Sam Judd writes that perhaps the biggest environmental problem we currently face is the contamination of our waterways by nutrients.

A mild winter and a favourable spring have boosted confidence in the New Zealand beef industry after last summer's challenging drought, says Rabobank.

Ministry for Primary Industries officials have approved an incursion programme in mid-Canterbury following a spillage of one of Europe's most invasive arable weeds - black grass - found in a consignment of imported fescue seed.

Spreading effluent on dairy farms is set to become a lot more high-tech thanks to smartphone-based technology now available for New Zealand farmers.

We're a funny old country. When the dairy farming industry damn near ruins the nation's international image and our ability to sell anything overseas, who do we punish? The tourism sector, of course!

British news website Daily Mail Online says New Zealand's claims to be clean and green are "pure manure".

Fonterra's chief apologised to consumers and the New Zealand public at a press conference today, saying all contaminated stock had been contained.

Business leaders are calling for Minister Steven Joyce to review a decision by Agresearch to cut 85 jobs.

While the primary sector has its challenges, science and agriculture must be given a chance to solve them

Kiwi farmers' expertise could help solve the problem of how to feed the world's rapidly growing population in the years ahead, says the boss of agriculture show Fieldays.

Environmental columnist Sam Judd checks out a new way for farmers to make money that will actually benefit the environment.

The allure of a high share price is proving too much for a growing number of Fonterra's farmers, with more choosing to sell up and move to competing cooperatives and dairy companies, says Fonterra's director of milk supply, Steve Murphy.

Farmer David Hunt has spoken out about his battle with mental illness in a bid to raise awareness of the warning signs for depression in rural communities.

Chinese billionaire Jiang Zhaobai, who now owns the Crafar dairy farming empire, is back in New Zealand forging a relationship with Maori.