Salvadoran villager Maria Luz Rodriguez placed the cheese on top of the lasagna she was cooking outdoors, put the pan in her solar oven and glanced at the midday sun to be sure there was enough energy for cooking.
It may be the 21st
century but more than three billion people still use fire for cooking and heating. Of those, one billion people have no access to electricity despite a global effort launched at the 2011 Vienna Energy Forum to bring electricity to everyone on the planet.
Unhealthy environments - both inside and outside the home - cause the deaths of more than 1.7 million child under the age of five every year, according to two new reports released by the World Health Organization (WHO) Monday.
Mountain communities in the Himalayan region are almost entirely dependent on forests for firewood even though this practice has been identified as one of the most significant causes of forest decline and a major source of indoor air pollution.
Environmental organisations in Mexico are hoping to finance the promotion of fuel-efficient wood-fired cookstoves, which reduce harmful greenhouse gas emissions, through the sale of carbon credits on the voluntary market.