Environment
Science Examiner Environment gives you latest coverage on climate change and weather forecast, and provides key statistics.
What Is Composting, and How Does It Work?
Composting turns banana peels and dead leaves into dark, crumbly gold for your garden, and quietly keeps a surprising amount of planet-warming gas out of the air. Here is what composting is, how it works, and why it matters more than it looks.
What Is Renewable Energy, and How Does It Work?
Renewable energy is reshaping how the world makes electricity, and it is growing faster than any other source. Here is what renewable energy actually is, the main types, why it matters, and the challenges that remain.
Why Do Bees Matter So Much to Our Food?
Bees are small, but the food on your plate depends on them far more than most people realize. Here is what bees actually do, why so many crops need them, and why their decline worries scientists.
What Is the Ozone Layer, and Why Does It Matter?
High above the clouds sits an invisible shield of gas that makes life on land possible by blocking the Sun’s most dangerous rays. The ozone layer is also one of the great environmental success stories. Here is what it is and why it matters.
What Is Biodiversity, and Why Does It Matter?
Biodiversity is more than a long list of animals and plants. It is the web of life that keeps ecosystems, and us, alive. Here is what biodiversity actually means, the three levels it works on, and why its loss should worry everyone.
What Is the Water Cycle, and How Does It Work?
The water in your glass has fallen as rain, sat in ancient oceans, and drifted through clouds countless times. The water cycle is the vast, sun-powered engine that keeps recycling it. Here is how it works.
What Is a Food Chain, and How Does It Work?
Grass feeds a rabbit, a rabbit feeds a fox, and the Sun feeds all of it. A food chain is the simple thread that ties every living thing to the energy of sunlight. Here is how it works, and why the chains are always short.
What Is the Jet Stream, and Why It Matters
High above the clouds, a river of wind races around the planet at highway speeds and faster. It decides whether your week is stormy or calm, and whether your flight home is an hour early or late. Here is what the jet stream is.
What Is El Niño, and How Does It Work?
A patch of the Pacific warming by a degree or two can dry out Australia, soak parts of South America, and nudge up the whole planet’s temperature. That patch has a name: El Nino. Here is how it works.