“The instrument Keeling built, the gas chromatograph, works by passing infrared (IR) light through a sample of air and measuring the amount… — Heidi Cullen Carbon dioxide Copy Share Image
“Giannini discovered that ocean temperatures helped regulate the strength of the African monsoon. What was even more fascinating was how each ocean… — Heidi Cullen Climate Copy Share Image
“Sahel’s rainfall, thanks to El Niño. During an El Niño event, the Sahel is typically expected to experience a drought, whereas during… — Heidi Cullen Climate Copy Share Image
“But the latest climate models paint a very bleak picture. According to their predictions, by the 2040s such summers will be happening… — Heidi Cullen Climate Copy Share Image
“The Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) synthesized the results from eighteen climate models used by groups… — Heidi Cullen Around the world Copy Share Image
“The goal was to build a model that represented the climate system. This was no small task. Weather models are concerned only… — Heidi Cullen Goals Copy Share Image
“In the past 100 years alone, the region experienced three devastating droughts. The first stretched from 1910 to 1916; the second stretched… — Heidi Cullen Droughts Copy Share Image
“mechanisms of weather predictions are very similar to those of climate predictions. So if we’re comfortable trusting local forecasters’ predictions about weather,… — Heidi Cullen Climate Predictions Copy Share Image
“Bjerknes had come up with equations capable of describing the behavior of the atmosphere. The state of the atmosphere at any point… — Heidi Cullen Atmosphere Copy Share Image
“ozone and particulate matter contribute to 8,800 deaths and $71 billion in health care costs every year. The connection with global warming… — Heidi Cullen Death Copy Share Image
“It’s better to build dams than to wait for the flood to come to its senses. —Mark Twain” — Heidi Cullen Flood Copy Share Image
“Another issue, called the single-action bias,2 is the human habit of taking just one action in response to a problem in situations… — Heidi Cullen Habits Copy Share Image
“Climatologists pick up where meteorologists leave off. We focus on weather timescales beyond the memory of the atmosphere, which is only about… — Heidi Cullen Meteorologists Copy Share Image
“The last 10,000 to 20,000 years have witnessed a period of dramatic growth in human civilization. Indeed, our growth during this time… — Heidi Cullen Civilization Copy Share Image
“According to the Pew study, our collective list of concerns goes like this: the economy, jobs, terrorism, Social Security, education, energy, Medicare,… — Heidi Cullen Concerns Copy Share Image
“Using satellites capable of measuring cloud cover from space, Chiang showed that there was an increase in high clouds during El Niño… — Heidi Cullen Climate Copy Share Image
“It is not an exaggeration when I say that no place on the planet will look the same forty years down the… — Heidi Cullen Change Copy Share Image
“In other words, the brightness of the Pleiades in late June indeed correlates with rainfall during the growing season for potatoes the… — Heidi Cullen Flower Copy Share Image
“The climate models showed that greenhouse gas emissions had contributed to an increase in such summers, from one in 1,000 years to… — Heidi Cullen Climate Copy Share Image
“Each location I’ve chosen has its own Achilles’ heel, a vulnerability that unabated climate change will expose and exploit until the place… — Heidi Cullen Achilles heel Copy Share Image
“This is a very important distinction between weather and climate models: for climate forecasts, the initial conditions in the atmosphere are not… — Heidi Cullen Science Copy Share Image
“complex interactions between the ocean and the atmosphere. Technically, El Niño (EN) describes the ocean component, whereas the atmospheric component is known… — Heidi Cullen Copy Share Image
“Predictions often give us an illusion of control in situations that are inherently out of our control. Nothing exemplifies this better than… — Heidi Cullen Forecasts Copy Share Image
