DATABASES:

GreenFILE (Topics covered include global climate change, green building, pollution, sustainable agriculture, renewable energy, recycling and more.)

Science Reference Center (Contains full text for hundreds of science encyclopedias, reference books, periodicals and other reliable sources.)

PBS Learning Media (Videos, audio clips, lessons, and more)

WEBSITES

BBC Science 

STEM Learning Network (from the NY Times)

National Geographic

PBS Learning Media: Science

NOVA (from the Public Broadcasting System)

Science Friday (from National Public Radio)

American Chemical Society

Science (a longstanding and wide-ranging academic journal)

Scitable (from the journal, Nature)