Designed as a vehicle for showcasing the extraordinary biological diversity of Mexico, this well-designed site is rather user-friendly, and provides a host of material about the flora and fauna of the country. Visitors...

There are two ways to reduce net emissions of carbon dioxide: limit how much carbon dioxide is emitted into the atmosphere as we burn fossil fuels, or increase the rate at which it is absorbed. In this lesson, discussion...

From biology teacher Shannon Muskopf's extensive website for biology teachers and students, Biology Corner, comes this collection of lesson plans, classroom activities, and PowerPoint presentations related to Ecology and...

The amount of carbon dioxide in the atmosphere has been increasing for many decades now, mostly due to the burning of fossil fuels by mankind. In this exercise, students will track their daily activities, and and...

Andrew Carnegie was known for his philanthropy, and in 1895 he contributed his vast wealth to creating 22 various organizations that still bear his name. In 1901 he created what became known as the Carnegie Institution...