Panorama
 
 
 
 
 

DAM THREATENS SURVIVAL OF MEKONG DOLPHINS

Environmental Panorama
International
February of 2014


Posted on 19 February 2014 | Phnom Penh, Cambodia – The Lao government’s decision to forge ahead with the Don Sahong hydropower project in southern Laos, located just one kilometre upstream of the core habitat for Mekong dolphins, could precipitate the extinction of the species from the Mekong River, warns a new WWF brief.

According to the WWF paper, the dam builders intend to excavate millions of tonnes of rock using explosives, creating strong sound waves that could potentially kill dolphins which have highly sensitive hearing structures. Increased boat traffic, changes in water quality, and habitat degradation represent other major direct risks to the dolphins, along with the cumulative indirect effects of disturbance and stress.

“Plans to construct the Don Sahong dam in a channel immediately upstream from these dolphins will likely hasten their disappearance from the Mekong,” said Chhith Sam Ath, WWF-Cambodia’s Country Director. “The dam’s impacts on the dolphins probably cannot be mitigated, and certainly not through the limited and vague plans outlined in the project’s environmental impact assessment.”

Freshwater Irrawaddy dolphins are critically endangered in the Mekong River, where their numbers have dwindled to around 85 individuals restricted to a 190km stretch of the Mekong River mainstream between southern Laos and north-east Cambodia. The dolphins are already threatened from accidental entanglement in gillnets and low calf survival, additional pressures on the population will likely herald their demise.

“Pressures on the Mekong dolphins are immense, but as long as they survive there is hope,” added Sam Ath. “But the attitude implicit in the dam developer’s impact assessment – that the dolphin population is already vulnerable and therefore should not stand in the way of development – will do nothing but seal their fate.”

In September last year, Laos announced its decision to proceed with the Don Sahong dam on the Mekong mainstream, bypassing the Mekong River Commission’s (MRC) consultation process. The dam will block the only channel suitable for year-round fish migration, putting the world’s largest inland fishery at risk. Despite objections from neighbouring countries, construction is expected to start soon and finish in early 2018.

Alternatives to the Don Sahong dam exist, such as the Thako Project, which could generate approximately the same amount of electricity as Don Sahong but at lower cost and with far less impacts as it does not involve building a barrier across any of the channels of the Mekong mainstream. Unfortunately the Thako project cannot move ahead if the Don Sahong dam proceeds as they would be competing for the same water.

“It is not too late to suspend the Don Sahong project and consider smarter alternatives,” said Gerry Ryan, Technical Advisor with WWF-Cambodia and author of the brief. “Not building the Don Sahong dam is not an irreparable blow to the development aspirations of Laos, or their ability to produce electricity, but building it will almost certainly cause the extirpation of their dolphins and threaten critical fisheries.”

Mekong dolphins also have great cultural significance to local communities and bring tangible livelihood benefits. “Dolphin-watching tours are a major contributor to growth, bringing in much needed income to local communities,” added Ryan. “It is clear that saving the dolphins also means smart development.”

The dolphins are also an important indicator of the health and sound management of the freshwater resources, and their decline could signal a potentially devastating decline in the health of the entire river ecosystem.

WWF is calling for the suspension of the Don Sahong dam to allow decisions to be reached using sound science and in consultation with impacted countries. “Lower Mekong countries are bound by the MRC agreement to hold inter-governmental consultations before proceeding with dams that impact their neighbours,” said Sam Ath. “Laos’ failure to honour the consultation agreement is threatening transboundary cooperation, the livelihoods and food security of millions, and critically endangered species.”

+ More

Groundbreaking analysis shows China's renewable energy future within reach

Posted on 19 February 2014 | Washington, D.C. – By embracing conservation measures and renewable energy, China can transition to an 80 percent renewable electric power system by 2050 at far less cost than continuing to rely on coal, according to a new report from WWF-US.

As a result, China’s carbon emissions from power generation could be 90 percent less than currently projected levels in 2050 without compromising the reliability of the electric grid or slowing economic growth.

The China’s Future Generation report was prepared by the Energy Transition Research Institute (Entri) for WWF and uses robust computer modeling to simulate four scenarios based on today’s proven technology: a Baseline, High Efficiency, High Renewables, and Low-Carbon Mix scenario. To develop its findings, Entri examines China’s electricity supply and demand on an hour-by-hour basis through 2050 using its advanced China Grid Model.

“By fully embracing energy conservation, efficiency and renewables, China has the potential to demonstrate to the world that economic growth is possible while sharply reducing the emissions that drive unhealthy air pollution and climate change,” said WWF’s China Climate and Energy Program Director Lunyan Lu. “This research shows that with strong political will, China can prosper while eliminating coal from its power mix within the next 30 years.”

In addition to ramping up development of renewable power sources, the world’s most populous and energy-hungry nation will need to simultaneously pursue aggressive energy efficiency initiatives to reduce electricity demand. These efficiencies, including bold standards for appliances and industrial equipment, can reduce annual power consumption in 2050 by almost half, which would set the gold standard for these products globally and make the shift to a renewables-based power system possible.

“This research allows Chinese leaders to put the questions of technical feasibility aside and economic viability aside. Instead, it is time to focus on how to enact the right policies and establish the right institutions to ensure that China’s citizens and economy are receiving clean, renewable electricity,” said Lu. “The report shows that today’s technology can get China within striking distance of WWF’s vision of a future powered solely by renewable energy.”

The analysis also describes recent Chinese regulatory efforts and challenges to increasing the percentage of renewable electricity in the country, while providing a set of targeted recommendations for Chinese leaders and policy makers on energy efficiency, prioritizing low-carbon electricity supply investments, allowing price changes to reflect the true cost of service, and prioritizing collection and analysis of key power usage data.

“Both China and the United States are at a crossroads where leaders need to choose between a future where healthy communities are powered by clean, renewable energy or a future darkened by air pollution and the dangerous effects of climate change,” said Lou Leonard, WWF’s US vice president for climate change. “This year, as all countries develop new national climate targets in advance of talks in Paris, our leaders need to choose that brighter future. For Chinese leaders the choice is simple. This report shows that renewables are doable. China can meet bold new targets with today’s technologies while cutting energy costs.”

Source: WWF – World Wildlife Foundation International
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