
In 1907, a chemist named Leo Baekeland invented the first synthetic plastic. In the little more than 100 years since, plastic has benefited humanity even while we polluted Earth with it. During the 1950s, plastic production rapidly increased and since then, people have created...

In 1907, a chemist named Leo Baekeland invented the first synthetic plastic. In the little more than 100 years since, plastic has benefited humanity even while we polluted Earth with it. During the 1950s, plastic production rapidly increased and since then, people have created...


Scientists estimate that by the year 2050, almost half of Earth's species may be extinct. This frightening prospect would have devastating effects on the future of our planet. Your readers will study the issue of endangered species and the impact that human activity has on the...