Leigh Marine Reserve

A tribute to Bill Ballantine, New Zealand's tireless campaigner for the protection of our oceans, who died this week at the age of 78. Audio, Gallery

Warming ocean temperatures and increasing sediment as a result of more extreme weather events may have profound effects on the health of our coastal kelp ecosystems Audio

Marine biologist Nick Shears monitors marine reserves to evaluate how effective marine protection is and he is also interested in the effects of climate change on the ocean Audio