Ecology and Policy Blog

Archive for December, 2008

Marine Bill Receives Royal Assent

Wednesday, December 3rd, 2008

At 11.20am today, the House of Lords witnessed the State Opening of Parliament marking the beginning of the parliamentary session.

Here, the Queen’s Speech was delivered, outlining the Government’s plans for the coming Parliamentary year.

Given the current global economic climate, it was no surprise that the Government’s main priority is to ensure the stability of the economy during the global economic downturn. Many of the commitments and proposed legislation mentioned in the Queen’s speech, understandably centred around helping people and families through hard economic times.

The main highlight for the British Ecological Society was the Marine Bill receiving Royal Assent. The science policy team are particularly pleased that many of the recommendations made to Government to strengthen the bill were taken into consideration. The Queen said:

“To protect the environment for future generations – a bill will be brought forward to manage marine resources and protect access to the coastline.”

The speech also described the Government’s intention to work closer with the devolved administrations – a requirement for the Marine Bill to be effective.

The science policy team would be delighted to receive comments from readers of the blog

Frog Decline Linked to Agri-Chemicals

Wednesday, December 3rd, 2008

The global decline in frog populations has been attributed to an increase in infectious diseases. However findings in Nature reveal a link between parasitic infection and local interaction between phosphate fertilisers and herbicides.

The study focused on leopard frogs from wetlands in Minnesota, USA, and these frogs were examined for trematode larvae – a type of parasitic flatworm. Trematodes are known to cause kidney damage and occasionally deformities in amphibians. The researchers also looked for indicative signs of water pollution, by measuring the level of melanomacrophage liver cells, which are involved in amphibian immune response.

Of the many possible factors contributing to these ailments in the frogs, the strongest predictor of larval infection was the herbicide atrazine combined with high phosphate levels. High levels of the atrazine herbicide were correlated with low levels of melanomacrophage cells, indicating the herbicide suppressed the frogs’ immune response, increasing susceptibility to the trematodes.

A probable cause of the interaction was revealed, when the frogs were placed in tanks exposed to supposed environmental levels of these chemical in the U.S. Atrazine reduced phytoplankton growth, creating clearer water and higher levels of nutrients. This stimulated algal growth, which in turn encouraged gastropods. Gastropods play host to trematodes, acting as a vector to the amphibians. Since wetland birds are the primary host of trematode eggs, as the authors suggest, these must be present along with the elevated phosphate levels and herbicide for the interactive effect to take place.

The findings highlight problems in the European and American systems for registering chemicals. Although the chemicals have no direct effect on mortality independently, the combined effect results in this pollution-disease pathway and would not be identified under existing pollutant control tests.

Many European countries banned its use even before EU legislation withdrew support for its use in 2004, because of concerns over concentrations in groundwater. Atrazine is used widely across the world for corn and sorghum production. There is still some limited support for its use in European countries, although the UK, Ireland, Spain and Portugal no longer have any support for it.

Amphibians are becoming increasingly threatened across the globe, with many species expected to become extinct by 2050. Amphibian fungal infections, particularly Chytridiomycosis are on the rise across the globe, possibly exacerbated by climate change. Chytridiomycosis is thought to have originated in South Africa, although nobody is entirely certain where it began.

Adapted from the Science Environment Policy bulletin, Source:
Rohr, J.R., Schotthoefer, A.M., Raffel, T.R., et al. (2008). Agrochemicals increase trematode infections in a declining amphibian species. Nature. 455: 1235-1240.

Building a Low Carbon Economy – Government Report Released

Tuesday, December 2nd, 2008

Defra yesterday launched their report ‘Building a Low Carbon Economy’, which sets out plans to move away from our fossil-fuel based society.

Broadly, the Climate Change Bill will put into statute the UK’s targets to reduce CO2 emissions by at least 60% by 2050 and 26% by 2020, against average 1990 emissions.

If a global deal isn’t reached in Copenhagen next year, then the target will be as follows:

  • 2008-2012: 3018 million tonnes
  • 2013-2017: 2,819 million tonnes
  • 2018-2022: 2,570 million tonnes

If the international deal is reached in 2009, then the intended budget for greenhouse gas emission limits will be:

  • 208-2012: 3018 million tonnes
  • 2013-2017: 2,679 million tonnes
  • 2018-2022: 2,245 million tonnes

The government has set a target that 20% of all energy should come from renewable resources by 2020. A Renewable Energy Strategy is due to be published in Spring 2009 that will set clear guidelines on how this target will be achieved. The government also has questionable plans to invest more in nuclear energy in the run up to 2020.

The report includes plans to set clear reductions in carbon emissions from road transport. The King review found that average carbon emissions from cars could feasibly be cut to 100g/km by 2020. The Government is keen to push European legislation to follow suit on this front. This will inevitably have to mean either a reduction in demand from the most polluting vehicles, for example the Porsche Cayenne (358g C/km) and the Range Rover HSE Sport (374g C/km), or prohibitive taxation, failing a change in the wealthy motorists’ mindset.

Ambitious plans have been laid down for the building industry. By 2016, all new housing must be carbon neutral, whilst public buildings must meet this target by 2018, and other non-domestic buildings by 2019.

To tackle issues of waste, the ‘tax escalator’ that has already begun will hopefully reduce emissions from landfill sources and increase recycling.

The government has set progressive targets to reduce the use of inefficient lightbulbs by 2011 in retail and manufacturing, aiming to phase out wasteful practices.

£20 million is being invested by the Department for Transport and the Technology Strategy
Board for a collaborative research programme, aimed at commercialising vehicle technologies that will reduce carbon emissions over the next five to seven years.

Enhancing innovation and building the necessary skills base is at the heart of the Government’s plans to build a low carbon economy in the coming years.

An independent expert committee on climate change has been created, chaired by Lord Turner, which will advise the Government on how to meet its emulous targets.

Read the full document, including specific recommendations in response to the Commission on Environmental Markets and Economic Performance (CEMEP) enquiry, at:

http://www.defra.gov.uk/environment/business/commission/pdf/cemep-response.pdf

The United Nations Climate Change Conference in Poznań, Poland

Monday, December 1st, 2008

Today marks the beginning of the 14th Conference of the Parties of the United Nations on Climate Change.

The meeting has the following aims;

  • Agree on a plan of action and programmes of work for the final year of negotiations after a year of comprehensive and extensive discussions on crucial issues relating to future commitments, actions and cooperation
  • Make significant progress on a number of on-going issues required to enhance further the implementation of the Convention and the Kyoto Protocol, including capacity-building for developing countries, reducing emissions from deforestation (REDD), technology transfer and adaptation.
  • Advance understanding and commonality of views on “shared vision” for a new climate change regime
  • Strengthen commitment to the process and the agreed timeline

EU Environment Commissioner Stavros Dimas stated recently that: “Even if it is too early to expect major breakthroughs, the Poznan conference must shift gear from exploratory discussions to concrete negotiations.”

Parties have less than a year to agree on strengthened action on mitigation, adaptation, finance and technology.

It is hoped that the climate talks will form the basis of global deal in Copenhagen at the end of 2009.

View the full schedule here.

Climate Change Committee Set Plans to De-Carbonise the Economy

Monday, December 1st, 2008

The future of coal power is now in the hands of the climate change committee, as they are due to set out plans to ‘de-carbonise’ the economy. The committee plans to publish the findings of their report later today.

Environmentalists are keen that the committee sets stringent emission targets from 2020, ensuring that any new coal-fired power stations are fitted with carbon capture and storage technology.

It is expected the climate change committee will recommend interim targets up to 2022, considering the EU aims to reduce emissions by up to 30% by up to 2050.

The executive secretary of the UN climate secretariat, Yvo de Boer said that the international talks on a climate change treaty in Poznan, Poland, could set plans on how rich countries can help the developing world cope with the impact of climate change. It is hoped the treaty will come into effect by 2012.

De Boer said: “I think it is important that countries in Copenhagen reach a political agreement that is a response to what scientists tell us need to be done.”

Currently rainforest lost is reaching unprecedented levels. The talks may offer new direction to how polluting countries can pay tropical countries to conserve their forests, as a means of reducing CO2 emissions, since forest clearance is a huge contributor to climate change.

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