Posts tagged “biomass”

Kirk R. Smith in Science: In Praise of Power

Professor Kirk R. Smith in an editorial in Science:

Along with advanced biomass combustion, biogas, liquefied petroleum gas, natural gas, and other clean fuels, electric cooking needs to be directly incorporated into modernization plans for the world’s poorest people.

For those worried about CO2 emissions from power plants, consider that modest efficiency measures that reduce 3% of electric power consumption in rich countries (which are also largely supplied by coal) would “free” enough electricity to supply half of all biomass households with induction stoves. New supplies of electricity would produce far less than a 1% increase in global CO2 emissions.* It is not the cooking of the poor that threatens the climate.

Switching from solid to clean forms of energy can bring more health benefits than nearly any other modernization, including clean water and sanitation.� It is too early to tell whether induction cooking can be successfully promoted in biomass-using rural areas, but not too early to predict that electric cooking appliances will be attractive to people as electricity becomes more reliable. Although in one sense the most mundane of energy issues, given that billions do not use modern fuels in their households and suffer great impacts on health, welfare, and the local environment as a result, finding solutions for providing electricity has important implications for global health and sustainable development.

Air Pollution Linked to 1.2 Million Premature Deaths in China

As Kirk pointed out in an email this morning, the NYT missed half of the problem. He wrote:

Remarkable narrow vision to fail even to mention that household air pollution has about an equal impact in the country. Even though the GBD study shows both on the same graphs, journalists and policy makers see one, but not the other. These is also an estimated 0.2 million overlap, what we call secondhand cookfire smoke, which is the portion of outdoor air due to cooking fuels in the country. If you account that to household air pollution, than the total impact of household air pollution is greater than that from outdoor air pollution due to all other sources combined (1.2 million premature deaths compared to 1.0 million).

Our work has been showing — in India and in China — that outdoor air pollution isn’t just an urban problem; it is simply measured most commonly (and thus identified most easily) in urban areas. We’re working to quantify that contribution and to make the case that cleaning up households can help clean up ambient air — in urban and rural areas.

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