30 November 2015 | United Nations Environment Programme News Release
Paris, France – Decoupling economic growth from escalating resource use should be an integral part of climate policy, according to a group of the world’s most renowned natural resources scientists.
As nations gathered at COP21 in Paris for their first day of deliberations to determine a new, global climate regime, the IRP said a “whole system perspective” was crucial when considering climate policy.
Releasing its Ten Messages on Climate Change today, the International Resource Panel (IRP) said natural resource management and climate change were intrinsically linked, with a large part of global energy use, and therefore greenhouse gas (GHG) emissions, tied directly to the acquisition, processing, transport, conversion, use and disposal of resources.
Raising resource productivity through improved efficiency and reducing resource waste could lower resource consumption and GHG emissions, bringing economic gains and promoting more equitable access to resources, the IRP said. Moreover, through decoupling, developing countries could cut the increase in annual energy demand by more than half over the next 12 years, while realizing their development goals.
“Policy changes aimed at mitigating GHG emissions affect not only the stability of the climate, but also other environmental aspects and resource use, positively or negatively,” the IRP co-chair, Janez Potočnik, said. “A whole system approach that connects production, consumption and their impacts on the environment and resources helps prevent adverse unintended consequences of GHG emission mitigation”.
This argument is further underpinned by the new IRP report, Green Energy Choices: the Benefits, Risks and Trade-offs of Low-Carbon Technologies for Electricity Production, also released today. This assesses nine low-carbon energy technologies, which will be essential for meeting 2°C objective and growing energy demand.
For the first time, countries making the decision about which renewal energy technology to use have clear, comparative science-based information about not only their GHG reduction benefits but also about other positive and negative environmental, human health, and natural resource use impacts.
Achim Steiner, Executive Director of UNEP, said, “Clean energy technologies such as photovoltaic and wind power have clear benefits in terms of tackling climate change and air pollution, and providing access to clean and affordable energy.
“These technologies will be critical to keeping global warming under 2°C, but we need to remain cognizant of their effects on the environment, such as their higher use of metals like steel and copper in manufacturing. As countries look to meet their energy needs while combatting climate change, this report can help identify the most sustainable mix of energy technologies to accomplish that goal.”
Global demand for energy is expected to require an estimated investment of $US 2.5 trillion a year over the next 20 years in new energy installations and energy conservation initiatives. This report presents a unique opportunity for countries to carefully select the electricity production technologies in which they invest.
Key findings of Green Energy Choices include:
- Coal- or gas-fired systems with carbon capture and storage (CCS) reduce GHG emissions, but increase other pollution problems by 5-80 per cent, and create higher human health and environmental impacts.
- Electricity generated from renewable sources causes 70-90 per cent less pollution harmful to ecosystems and human health than coal power. Greenhouse gas emissions are commonly 90-99 per cent lower.
- Wide-scale deployment of a mix of low-carbon electricity generation technologies, as foreseen in mitigations scenarios such as the IEA’s Blue Map Scenarios, helps to stabilize or reduce pollution such as eutrophication, acidification, particulates, photochemical smog, and toxicity.
- Renewable power sources have lower pollution-related human health and ecological impacts per unit of power produced than coal-fired power plants or the current electricity mix, but require more metals and other minerals.
- Sound sustainability criteria should be used as a basis for making sound decisions about future energy choices and investments.
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