"The decarbonization statement by the CEOs of the Longwood hospitals and Harvard Medical School will significantly boost our joint efforts in sustainability and renew our focus on reducing carbon throughout our facilities," said Jan Henderson, a senior planner at MASCO. ‘We are gratified to see the statement to decarbonize by the leadership of Longwood hospitals and Harvard Medical School.  This is a compelling commitment to public health and an inspiring call to action to reduce the use of fossil fuels," she added.