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Bienes públicos: Medio ambiente // Destacados

The battle against global warming has received a transformational boost after China, the world's biggest producer of carbon dioxide, proposed to set a cap on its greenhouse gas emissions for the first time. Under the proposal China, which is responsible for a quarter of the world's carbon emissions, would put a ceiling on greenhouse gas emissions from 2016, in a bid to curb what most scientists agree is the main cause of climate change.

As we celebrate International Biodiversity Day, the outlook is not very encouraging. Around 12% of birds, 25% of mammals, and at least 32% of amphibians are threatened with extinction over the next century. Humans may have increased the rate of global extinctions by up to 1000 times the 'natural' rate typical of Earth's long-term history.

Opacity still prevails in how natural resources are managed. This conspires against economic development. The lives of over a billion citizens could be transformed if their governments managed their oil, gas and minerals in a more open, accountable manner. This emerges from the Resource Governance Index, released by the Revenue Watch Institute at an event at Brookings last week.

Using an empirical model, this study provides some insights into the functioning of the oilseed-biodiesel-diesel market complex in a large country that determines the biodiesel price, reflecting market equilibrium changes resulting from volatility in the crude oil price.

Scientists should influence a merge of the environment and development communities Flickr/Tineke D'haese, Oxfam Post-2015 discussions offer a chance to link the environmental and development agendas — it shouldn't be bypassed, says Myles A. Wickstead.A quarter of a century ago, scientists could justifiably take some sense of satisfaction from their ability to set in motion policy shifts towards protecting the global environment. They had become increasingly worried by the emergence of holes in the ozone layer, which allowed harmful ultraviolet rays to pass through the Earth's atmosphere — and, in 1987, the Montreal Protocol began the process of banning CFCs (chlorofluorocarbons) because of their damaging effect on this layer. 

The world has entered a "new danger zone" with a record level of Earth-warming carbon dioxide in the atmosphere, UN climate chief Christiana Figueres says.

With a CO2 level of 400 parts per million (ppm) announced last week, the highest in human history, the world "crossed an historic threshold and entered a new danger zone," she said in a statement urging policy action.

Biodiversity, a property of natural areas, provides a range of benefits to the economy including bioprospecting rents, knowledge and insurance, ecotourism fees, and ecosystem services. Many of these values can be broken out in the System of National Accounts, leading...

By John Parnell The UN climate talks have lost a decade of progress because of the failings of rich nations, according to a group of developing countries. Speaking at the resumption of the UNFCCC process in Bonn on Monday, Naderev Sano, a representative of the Like Minded Developing Countries (LMDC) warned the entire process was at stake.

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