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The Paris Agreement was hailed as a turning point for world governments tackling climate change, and it has now come into effect. What does this mean for the world — and where do we go from here?

On Friday, November 4, the Paris Agreement went into effect, meaning that the agreement made last year by nearly 200 international delegates must now be honored. To recognize the consensus coming into force, the United Nations stated that it is a moment to celebrate – and to take concerted action.

“We remain in a race against time,” UN Secretary General Ban Ki-moon emphasized. ”Now is the time to strengthen global resolve, do what science demands and seize the opportunity to build a safer, more sustainable world for all.”

The effects of climate change will likely cause smaller but stronger storms in the United States, according to a new framework for modeling storm behavior developed at the University of Chicago and Argonne National Laboratory. Though storm intensity is expected to increase over today’s levels, the predicted reduction in storm size may alleviate some fears of widespread severe flooding in the future.

The new approach, published today in Journal of Climate, uses new statistical methods to identify and track storm features in both observational weather data and new high-resolution climate modeling simulations. When applied to one simulation of the future effects of elevated atmospheric carbon dioxide, the framework helped clarify a common discrepancy in model forecasts of precipitation changes.

Four of the world’s largest cities announced Friday that they will ban diesel cars by 2025 in an effort to cut air pollution. Leaders from Paris, Madrid, Athens, and Mexico City made the declaration at the C40 Mayors Summit, a biennial meeting of civic leaders concerned about climate change. 

Los seis años de sequía en California han dejado una estela de 102 millones de árboles muertos en 7.7 millones de acres de bosque, anunció el Servicio Forestal de los Estados Unidos (USFS, por sus siglas en inglés) tras una inspección aérea. Si eso no es suficientemente horrendo, 62 millones de árboles murieron en el año 2016 solamente, un aumento de más del 100 por ciento en comparación con 2015.

Successful trials of CharIoT, a unique new system that simultaneously records temperature, humidity and energy use in the home, have opened the way for low-income households to save money while reducing risks to their health.

Harnessing Internet of Things technology, the system generates easy-to-use data that can help local authorities, housing associations, energy suppliers, health authorities and others to target and tailor the energy advice they give to vulnerable people.

As well as revealing under- or over-heated parts of a home, CharIoT enables energy advisors to pinpoint where and why damp or mould may pose a problem. They can then suggest, for example, ways of using heaters more efficiently and cost-effectively, blocking draughts and eliminating dampness through better ventilation.