The other measures include restricting portion sizes, taxing and prohibiting special price deals for junk foods, and placing warning labels on the products.

Each burning season in the Amazon, fires deliberately set by frontier settlers and developers hurl up almost half a billion metric tons of carbon a year, placing Brazil among the top five contributors to greenhouse gases in the world.

Scientists learn about the monarch butterflies' migration by capturing and placing the identifying tags in the insects.

But some companies are realizing that placing the burden of recycling entirely on the consumer is not an effective strategy, especially when tossing something away seems like the easiest and most convenient option.

However, placing too much emphasis on being a good team player can negatively affect your career growth.

In an interview last year with The Economist, George Whitesides, chief executive of space-tourism firm virgin Galactic, was placing his company in the latter category.