Posts in category

Environment


While solar and wind power are rapidly becoming cost-competitive with fossil fuels in areas with lots of sun and wind, they still can’t provide the 24/7 power we’ve become used to. At present, that’s not big a problem because the grid still features plenty of fossil fuel plants that can provide constant baseload or ramp …

0 142

I read the news about the urgency of addressing climate change, and as a mathematician who studies climate change, I was not surprised. Very worried, but not surprised. A few days before Christmas last year, I took a picture of a blooming cherry tree along the Charles River in Boston. As a scientist at Tufts …

0 151

In 1950, meteorologists Jule Charney and Ragnar Fjørtoft joined with mathematician John von Neumann and other researchers to create the first computer simulation of the weather. Back then, it took 24 hours of calculations to forecast 24 hours’ worth of weather. In other words, practically as soon as the paltry forecast was finished, reality had …

0 137

Singapore is a small, low-lying and highly urbanised city-state, with limited land and no natural resources. This limits our access to alternative clean energy options. It also makes us particularly vulnerable to the effects of climate change. We are already experiencing some of the impacts of climate change such as more intense rainfall and prolonged …

0 142

The effects of climate change is becoming more and more apparent as the world continues to experience extreme weather events. These erratic bioclimatic conditions are not going anytime soon. A study, “Understanding climate change from a global analysis of city analogues” reveals that 77% of the cities  of the 520 major cities all over the …

0 131

We already knew about Venus. We had our suspicions about Mars. Now we’re sure. Our two closest solar system neighbors once had oceans – planet-encircling, globe-girdling, Earth-like oceans. But waterbearing planets are fragile. Venus didn’t have the right stuff and lost her oceans to space. We have the smoking gun. And now we know that …

0 145