Over time, success may depend on steadily increasing the commitment and involvement of the volunteers and donors.

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On December 7th the Committee on Climate Change (CCC), which polices Britain's 2050 commitment, published a report saying explicitly that there needed to be much greater state involvement and control.

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Spread over nine equally-weighted categories, the scorecard rates colleges on factors like sustainable policies by administration, commitment to energy efficiency and conservation, food and recycling policies, campus-wide green building initiatives, student involvement, alternative transportation.

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