A Bristol-led team of physicists has found a way to operate mass manufacturable photonic sensors at the quantum limit. This breakthrough paves the way for practical applications such as monitoring greenhouse gases and cancer ...
Optics & Photonics
Jun 6, 2022
0
363
At a red-brick factory in the German port city of Hamburg, cocoa bean shells go in one end, and out the other comes an amazing black powder with the potential to counter climate change.
Environment
Jun 4, 2023
1
230
Sunlight in, reflected and emitted energy out. That's the fundamental energy balance sheet for our planet. If Earth's clouds, oceans, ice caps and land surfaces send as much energy back up to space as the sun shines down ...
Earth Sciences
Jul 28, 2021
26
3017
An analysis of changes to the climate that occur over several decades suggests that these changes are happening faster than historical levels and are starting to speed up. The Earth is now entering a period of changing climate ...
Earth Sciences
Mar 9, 2015
180
1519
Almost all scientists agree that burning fossil fuels is contributing to climate change. But agreement is less clear cut on how exactly it's influencing rising global temperatures.
Environment
Aug 20, 2019
2
148
New research provides insights into how cirrus clouds form, with implications for agriculture, urban development and climate-change predictions. The study shows that trees and plants play an important role that affects precipitation ...
Earth Sciences
Oct 2, 2020
2
290
By remotely "combing" the atmosphere with a custom laser-based instrument, researchers from the National Institute of Standards and Technology (NIST), in collaboration with researchers from the National Oceanic and Atmospheric ...
Optics & Photonics
Oct 29, 2014
1
0
A new reconstruction of global average surface temperature change over the past 2,000 years has identified the main causes for decade-scale climate changes. The analysis suggests that Earth's current warming rate, caused ...
Environment
Jul 24, 2019
24
969
Engineers at the University of Illinois Chicago have created a solar-powered electrochemical reaction that not only uses wastewater to make ammonia—the second most-produced chemical in the world—but also achieves a solar-to-fuel ...
Materials Science
Sep 8, 2021
1
1199
The average tax on petrol in 157 nations fell 13 percent from 2003 to 2015, even as the world acknowledged the need to slash greenhouse gases from fossil fuels, researchers reported Monday.
Energy & Green Tech
Jan 10, 2017
2
292
