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The name sounds funny but the idea is no joke: a personal toilet called the Peepoo. Anders Wilhelmson is the Swedish inventor of the idea. He wants to give poor people in developing countries a simple way to improve their lives. The toilet is a single-use bag made of environmentally friendly plastics. The inside is treated with urea, a chemical commonly used as fertilizer. A natural reaction kills harmful organisms in the waste. It reduces the waste to fertilizer that Anders Wilhelmson says is safe for growing food. The hotter the weather, the more quickly the waste breaks down into ammonia to... 

On March twenty-seventh at eight thirty at night, all the lights were shut off at the Tokyo Tower in Japan. The Brandenburg Gate in Berlin, Germany went dark. So did the Eiffel Tower in Paris, France. The Empire State Building in New York City shut off all its lights. So did buildings in other cities around the world. The lights stayed off for one hour for an event called Earth Hour. The observance was organized by a conservation group, the World Wide Fund for Nature, also known as the World Wildlife Fund. For the fourth year, people were urged to turn off their lights for one hour to call attention... 

Millions of babies and children could soon be protected against the deadly disease pneumonia. Two leading drug companies have agreed to supply vaccines against pneumococcal disease to the world's poorest countries at a reduced price. Pfizer and GlaxoSmithKline signed the historic Advance Market Commitment agreement in March. The Global Alliance for Vaccines and Immunizations, or GAVI, helped negotiate the deal. The group says the low cost vaccines could save as many as seven million lives by the year twenty thirty. The World Health Organization says pneumonia kills almost two million children...