Ian A. Bowles (born c. 1966), is an American environmentalist, businessman, politician, and political aide who served as Massachusetts Secretary of Energy and Environmental Affairs from 2007 to 2011.

[3] He played a key role in creation of the Central Suriname Nature Reserve, a 4 million acre park that is one of the largest tropical forest protected areas in the world.

[4] Bowles was co-editor of Footprints in the Jungle: Natural Resource Industries, Infrastructure, and Biodiversity Conservation (Oxford University Press).

[11] As Secretary, Bowles helped guide the passing of the Green Communities Act and four other major pieces of energy and environmental legislation into law in 2008.

[12] These bills put Massachusetts at the top of state rankings in American Council for an Energy-Efficient Economy's energy efficiency scorecard in 2011, where it has stayed ever since.

[13] Under the Global Warming Solutions Act, Bowles set the most stringent greenhouse gas reduction requirement in the nation at 25 percent below 1990 levels by 2020.