New rules allowing wealthy polluting countries to buy carbon-cutting "offsets" from developing nations were agreed at UN climate talks Saturday, a move already raising fears they will be used to ...

In Nashville, we looked at implementing four key types of energy efficiency upgrades in low-income housing. Together, they can reduce energy use and energy-related carbon emissions while also ...

Under pressure from customers and investors, many U.S. companies have pledged to voluntarily reduce their impact on the climate. But that doesn’t always mean they’re cutting their own ...

Another challenge this type of carbon offset – and offsets that support clean energy geneartion – can run into is the question of additionality: Would low-income energy upgrades happen anyway ...