In a significant move in the dynamic between beef production in Brazil and deforestation in the Amazon, this week Marfrig - one of the biggest producers of beef products in the world - issued a statement that they will stop buying beef ranched on deforested areas in the Amazon.

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Slaughtering the Amazon - Cattle ranching is the primary driver of forest destruction in the Brazilian Amazon, with 79.5 percent of deforested land used for cattle pastures.

Just two weeks after our exposé 'Slaughtering the Amazon' showed how the Brazilian cattle industry is decimating the Amazon rainforest, companies and the World Bank are already beginning to sever their links with the slaughterhouses and farms involved.

In the week since the launch of our ‘Slaughtering the Amazon' report the response has been almost overwhelming. In fact, it's difficult to write this, because even as I'm typing it more emails are coming in from our offices across the world, telling us about breaking developments.

Think about what causes climate change. The immediate visual vocabulary that springs to mind is of power station chimneys, jumbo jets criss-crossing the sky, maybe colossal container ships circling the globe. You're probably not thinking of a glossy trainer advert.

John's piece appeared today on the Guardian's comment is free website.

Brazil's president, Luiz Inácio Lula da Silva, writing in the Guardian in March, offered us these words of hope: "No country has a larger stake in reversing the impact of global warming than Brazil. That is why it is at the forefront of efforts to come up with solutions that preserve our common future." Lula's words are fine. But we are still waiting for real action.

Boots and training shoes are not the first things that spring to mind when you think about the causes of rainforest destruction and climate change. But just because the connection isn't obvious doesn't mean it isn't real - as our researchers have been busy proving in a new report released today.

Molly is our online marketing coordinator and is next up in the blog relay, a whistle-stop tour of Greenpeace staff here in the UK. Click here to catch up on the other entries.

In January 2005, the Onilahy River in southwest Madagascar flooded. Nineteen people were killed and thousands left homeless. The cyclone that caused it was probably exacerbated by climate change; the landslides that followed were definitely made worse by extensive deforestation in the area.

The flood was little reported outside Madagascar. Similar events, caused or worsened by environmental destruction, happen all over the world on a regular basis, and most of them don't make the news. The only reason I know about it is because I was there.

It might seem unlikely to have Greenpeace and Prince Charles working towards the same goals, but when it comes to preserving rainforests new alliances have been forged as the Prince has used his royal mojo to assemble world leaders, business dignitaries and NGOs to come up with a plan to halt tropical deforestation.

Whenever anyone asks me what it's like to work at Greenpeace the word that always springs to mind is privileged. Not only do I feel privileged to do a job that I enjoy with equally passionate people but more importantly to be able translate my anger about the damage done to people and the natural world into concrete positive action.

Cathy is our director of supporter development - making sure we have money and taking good care of our supporters - and is next up in the blog relay, a whistle-stop tour of Greenpeace staff here in the UK. Click here to catch up on the other entries.

I've worked at Greenpeace for more than eight years now, and I do sometimes wonder about why I don't think about leaving. I don't think I'd expected to stay here that long. Nothing to do with Greenpeace really; previously my CV looked more like a shopping list, than a career. But, the longer I stayed here the more I've come to appreciate just how different it is working here. And not in the way I think most people would think.