Britannica Library is the modern encyclopedia found in a multitude of digital forms that are updated daily. Britannica is online, in e-books, and on mobile devices. Britannica is math, science, and social studies. Britannica is for the 2nd-grader learning math, the teacher explaining the laws of gravity, and the lifelong learner trying to understand the latest political crisis.
GreenFILE offers well-researched information covering all aspects of human impact to the environment. Topics include global climate change, green building, pollution, sustainable agriculture, renewable energy, recycling, and more. Read up on PV cells, greenscaping, and much more.