Currently en Puerto Rico — 28 de septiembre, 2023: Remanente de Phillipe hacia PR

Menos lluvia habrá el jueves a medida que una vaguada en los niveles superiores de la atmósfera se aleja de Puerto Rico y se reduce la humedad. Sin embargo, la brisa del noreste todavía traerá aguaceros a las costas centro-norte y este, así como el área metropolitana de San Juan, con algunas tronadas aisladas en el interior durante la tarde. Los últimos pronósticos el Centro Nacional de Huracanes están trayendo la tormenta tropical Phillipe más al sur hacia Puerto Rico pero con intensidad de depresión o en estado de disipación. Aun así, este sistema podría provocar un largo tramo de días de lluvia, generando riesgo de inundaciones a partir del fin de semana.

—John Toohey-Morales

What you need to know, currently.

James Hansen, the climate scientist whose 1988 testimony to Congress first made global warming an issue of national concern, has a new warning: Global warming is accelerating.

We’ve all seen the scary charts and maps of this summer of climate extremes. According to data from the first three weeks of September, it’s on track to be the most anomalously warm month we’ve ever measured as a species.

No climate scientist can honestly say they predicted this much warming this quickly, which is why all of us have been reduced to jaw-agape tweeting and comparing notes to figure out what’s happening.

Hansen believes he has narrowed it down to a change in the reflectiveness of clouds, one of the least-known parts of the climate system. Clouds are affected by all sorts of things, including particulate matter and aerosols from the burning of fossil fuels. What’s clear is that the Earth’s Energy Imbalance (EEI) is increasing. The Earth system has little choice but to warm at a faster rate.

“We predict at least a 50 percent increase of the post-2010 global warming rate, compared to the 1970-2010 rate of 0.18°C/decade. This is a partial payment in return for the Faustian bargain that humanity made when it chose to build its economies on fossil fuel energy.”

According to Hansen’s calculations, he concludes "it is now almost certain that the 12-month running mean temperature will exceed 1.5°C by May 2024 or earlier."

We are in a climate emergency.

— Eric Holthaus

What you can do, currently.

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One of my favorite organizations, Mutual Aid Disaster Relief, serves as a hub of mutual aid efforts focused on climate action in emergencies — like hurricane season. Find mutual aid network near you and join, or donate to support existing networks: