Lifestyle
How to plan a trip around the monsoon
Travelling during the monsoon can mean green landscapes and lower prices, with a little extra planning. Rain patterns vary a lot. Some regions are at their wettest while others nearby stay drier.
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Climate
How a solar farm sends power into the grid
A solar farm is a large set of panels, but getting its electricity to homes takes more equipment than panels alone. Solar panels produce direct current. Inverters convert it into the alternating current the grid uses.
Climate
Why electricity is cheaper at some hours when the wind blows
Wind turbines cost almost nothing to run once they are built, so they offer power cheaply whenever the wind blows.
Climate
Why sea levels don't rise evenly around the world
Global average sea level is rising, but what a particular coastline experiences can be quite different. Large ice sheets pull water towards them; as they melt, that pull weakens and water redistributes.
Climate
Why power cuts happen more on the hottest days
Power cuts often cluster during heatwaves, and it's not a coincidence. Fans, coolers and air conditioners push electricity demand to its highest levels of the year.
World
How countries protect animals that migrate across borders
Many animals travel huge distances every year, crossing borders that mean nothing to them. A species protected in one country can still be hunted or lose its habitat in the next, so one country's rules are rarely enough.
Climate
What a heatwave warning actually means
A temperature that is ordinary in one region can be dangerous in another, so warnings are usually local. Many weather services define a heatwave by how far temperatures rise above the usual for that place and time of year.
Climate
How forests store carbon, and how they lose it
Forests are among the largest stores of carbon on land. Through photosynthesis, trees take carbon dioxide from the air and build it into wood, leaves and roots.
Lifestyle
How to plan a slow-travel week in one place
Slow travel means staying longer in fewer places instead of racing between sights. Pick one town or neighbourhood with good day trips nearby, so you unpack once.
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