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To climate scientists, this grass-roots version of social engineering on energy use may not arrive fast enough. Global emissions of carbon dioxide hit a record high in 2011.
Yet no one really knows if enough local actions might create a strong feedback loop and soon tip a massive change in behavior, similar to the decline of littering in the 1960s or smoking in public in the 1990s. The 2011 Arab Spring also reinforced the notion that good ideas can quickly cascade into reality when enough individuals adopt them.
This bottom-up approach could help overcome many political divisions, such as the current one in climate-change negotiations that pits poor and rich nations against each other. In many poor countries, for example, private investments in solar and wind power make more sense than those in fossil fuels. In fact, investment in renewable energy worldwide has exceeded that in coal, gas, and oil over the past three years.
Individual, voluntary decisions in energy use can make a cumulative difference on climate change far greater than government mandates. They rely on people making moral choices, ones that see a greater good in not emitting gases that can harm others. Any rules about energy use need to be built on shared values embedded in a community.
The more that the United Nations-led climate talks fail, the more the need for this local action becomes evident.