Defending our oceans

Seen from space the Earth is covered in a blue mantle. It is a planet on which the continents are dwarfed by the oceans surrounding them and the immensity of the marine realm. It could be called Planet Ocean.

A staggering 80 percent of all the life on Earth is to be found hidden beneath the waves and this vast global ocean pulses around our world driving the natural forces which maintain life on our planet.

The oceans provide vital sources of protein, energy, minerals and other products of use the world over and the rolling of the sea across the planet creates over half our oxygen, drives weather systems and natural flows of energy and nutrients around the world, transports water masses many times greater than all the rivers on land combined and keeps the Earth habitable.

Without the global ocean there would be no life on Earth.

It is gravely worrying, then, that we are damaging the oceans on a scale that is unimaginable to most people.

We now know that human activity can have serious impacts on the vital forces governing our planet.  We have fundamentally changed our global climate and are just beginning to understand the consequences of that.

As yet largely unseen, but just as serious, are the impacts we are having on the oceans.

A healthy ocean has diverse ecosystems and robust habitats.  The actual state of our oceans is a far cry from this natural norm.

A myriad of human pressures are being exerted both directly and indirectly on ocean ecosystems the world over. Consequently ecosystems are collapsing as marine species are driven towards extinction and ocean habitats are destroyed.  Degraded and stripped of their diversity, ocean ecosystems are losing their inherent resilience.

We need to defend our oceans because without them, life on Earth cannot exist.

Dead oceans, dead planet

We need to defend them now more than ever, because the oceans need all the resilience they can muster in the face of climate change and the potentially disasterous impacts this is already beginning to produce in the marine world.

The Greenpeace Defending our Oceans campaign sets out to protect and preserve our oceans now and for the future by setting aside swathes of the global oceans from exploitation and controllable human pressure, allowing these areas the respite they so desperately need for recovery and renewal.

Building on a protection and recovery system established to manage land based over-exploitation, Marine Reserves are the ocean equivalent of national parks.

Marine Reserves are a scientifically developed and endorsed approach to redressing the crisis in our oceans which work alongside a range of other measures designed to ensure that the demands we make of our oceans are managed sustainably.

Beyond Marine Reserves we need to tackle a great many threats to the oceans' viability and find better ways of managing their resources.  To this end, while Greenpeace campaigns for Marine Reserves, we also campaign against the acts which have brought the oceans to this point - we expose the countless pressures, reveal the threats, confront the villains and point to the solutions and measures necessary to create sustainable oceans.

The latest updates

 

Tracking whales from space

Feature story | October 15, 2007 at 1:48

Every year humpback whales migrate thousands of kilometres from the warmth of the South Pacific to their feeding grounds in the Southern Ocean Whale Sanctuary. It is a journey full of danger, as the whales must now contend with numerous threats...

World Watch Report: Oceans in Peril

Feature story | September 19, 2007 at 23:06

Our planet's oceans are in deep, deep, peril, says a new report from Greenpeace and the World Watch Institute. The only road to recovery may be to declare 40 percent of the world's oceans off-limits to human exploitation to ensure the...

Iceland stops commercial whale hunt

Feature story | August 26, 2007 at 23:17

In a setback to the whaling industry worldwide, Iceland's fisheries minister has just announced he will not issue further commercial whale-hunting quotas.

Big Blue planet

Feature story | May 28, 2007 at 0:00

People took to the streets in more than 50 locations around the world for the Big Blue March, voicing their support for the world's whales, and calling for an end to commercial whaling. The International Whaling Commission (IWC) opens in...

VICTORY! Bottom trawling scuttled

Feature story | May 14, 2007 at 0:00

So far 2007 seems a year of victory. First the fall of Marsden B and now an end to bottom trawling in the South pacific.

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