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Daniel Cohan

Associate Professor of Environmental Engineering, Rice University

Daniel Cohan is an Associate Professor in the Department of Civil and Environmental Engineering at Rice University. His research specializes in the development of photochemical models and their application to air quality management, uncertainty analysis, energy policy, and health impact studies. Before joining Rice, Dr. Cohan worked for the Air Protection Branch of the Georgia Environmental Protection Division. He received a B.A. in Applied Mathematics from Harvard University, a Ph.D. in Atmospheric Chemistry from Georgia Tech, and served as a Fulbright Scholar to Australia at the Cooperative Research Centre for Southern Hemisphere Meteorology. Dr. Cohan is a recipient of a National Science Foundation CAREER young investigator award and was a member of the NASA Air Quality Applied Sciences Team.

What is a virtual power plant? An energy expert explains

Oct 17, 2023 14:47 pm UTC| Technology

After nearly two decades of stagnation, U.S. electricity demand is surging, driven by growing numbers of electric cars, data centers and air conditioners in a warming climate. But traditional power plants that generate...

Climate Change Series

Big new incentives for clean energy aren't enough – the Inflation Reduction Act was just the first step, now the hard work begins

Aug 21, 2022 17:17 pm UTC| Economy Law

The new Inflation Reduction Act is stuffed with subsidies for everything from electric vehicles to heat pumps, and incentives for just about every form of clean energy. But pouring money into technology is just one step...

Coal can't compete with cheaper alternatives and the industry's true costs are higher than they appear

Nov 04, 2018 13:20 pm UTC| Insights & Views Economy

There are costs associated with electricity beyond what shows up on your monthly bill. When that energy comes from coal, residents who live downwind pay through poorer health and, as with all fossil fuels, the whole...

What Hurricane Harvey says about risk, climate and resilience

Sep 02, 2017 05:17 am UTC| Nature

Hurricane Harvey has taught us many lessons, but the most valuable may be the oldest lesson of all, one we humans have been learning and forgetting since the dawn of time: how much we all have to lose when climate and...

Economy

Asian Currencies Stay Rangebound as Middle East Tensions, Weak China GDP Weigh on Sentiment

Most Asian currencies traded in narrow ranges on Wednesday as investors remained cautious over escalating tensions in the Middle East and weaker-than-expected Chinese economic growth, despite a softer U.S. dollar following...

China Home Prices Fall Again in June Despite Slower Pace of Decline

Chinas new home prices continued to decline in June, highlighting the ongoing challenges facing the countrys property market despite signs that the pace of deterioration is easing. Official data released by the National...

US Inflation Expected to Ease in June, but Fed Rate Hike Risks Persist Amid Middle East Tensions

U.S. consumer inflation likely eased in June, but economists say the slowdown may provide little relief for households or significantly reduce the likelihood of another Federal Reserve interest rate hike later this year,...

South Korea’s KOSPI Enters Bear Market Despite Remaining 2026’s Best-Performing Major Stock Index

South Koreas KOSPI has entered a bear market after falling about 25% from its record high reached in late June, highlighting the sharp reversal of one of the worlds strongest equity rallies. Despite the decline, the...

Japanese Yen Holds Steady as Intervention Hopes Grow Ahead of U.S. CPI Data

The Japanese yen held steady on Tuesday as investors remained alert to the possibility of currency intervention from Tokyo, while most Asian currencies traded in narrow ranges ahead of closely watched U.S. inflation data...

Politics

Trump Administration Launches AI Cybersecurity Partnership to Protect Critical Infrastructure

The Trump administration is launching a new initiative to strengthen U.S. cybersecurity by bringing together leading artificial intelligence developers and operators of critical infrastructure to identify and address...

Trump Administration Bars U.S. Travelers From Congo Flights Amid Ebola Outbreak

The Trump administration has imposed new travel restrictions on American citizens who have recently been in the Democratic Republic of Congo (DRC), preventing them from boarding commercial flights to the United States as...

Trump to Deliver National Address on 2020 Election Intelligence, Voting Machine Security

President Donald Trump is set to deliver a national address on Thursday night, outlining newly declassified intelligence related to the 2020 U.S. presidential election and discussing what the White House describes as...

Trump Says U.S. Strikes on Iran Will Continue Until Nuclear Deal Is Reached

U.S. President Donald Trump said Tuesday that the United States remains in direct contact with Iranian officials but warned that military operations against Iran will continue until Tehran agrees to a new deal, signaling...

Trump Administration Bars U.S. Travelers From Congo Flights Amid Ebola Outbreak

The Trump administration has imposed new travel restrictions on American citizens in the Democratic Republic of Congo (DRC) as the country faces a worsening Ebola outbreak, according to a White House official. Under the...

Science

Blue Origin New Glenn Explosion Could Delay Launch Operations Until 2028

Blue Origin is facing a significant setback after a dramatic explosion involving its New Glenn rocket severely damaged a launch pad at Cape Canaveral, Florida. According to NASA Administrator Jared Isaacman, repairs to the...

Blue Origin New Glenn Rocket Explodes During Launch Pad Test, Delaying Space Ambitions

Blue Origin suffered a major setback after its uncrewed New Glenn rocket exploded during a launch pad test in Florida on Thursday, raising new challenges for Jeff Bezos space company as it competes with Elon Musks SpaceX...

SpaceX Delays Starship V3 Launch Ahead of Potential Record IPO

SpaceX on Thursday postponed the highly anticipated launch of its 12th Starship rocket test from Texas after technical issues interrupted the final countdown. The company now plans to attempt the Starship V3 launch again...

Trump Administration Releases New UFO Files and Apollo Mission Records

The U.S. Defense Department has released dozens of previously classified UFO-related files following an order from President Donald Trump, sparking renewed debate over unidentified anomalous phenomena (UAP) and government...

China vs. NASA: The New Moon Race and What's at Stake by 2030

The space race is back and this time, its a direct competition between the United States and China for dominance on the lunar surface. NASAs Artemis II mission recently made history when four astronauts flew farther into...

Technology

Arm Stock Falls After HSBC Downgrade, Citing Limited Near-Term AI Upside

Arm Holdings shares came under pressure after HSBC downgraded the semiconductor designer to hold from buy,arguing that the companys recent rally has already priced in much of its long-term artificial intelligence (AI)...

SK Hynix Stock Soars as AI Memory Demand Outlook Fuels Chip Rally

SK Hynix shares surged nearly 13% in Seoul on Wednesday, leading a broad rally in South Korean semiconductor stocks as easing U.S. inflation and renewed optimism over artificial intelligence (AI) memory demand boosted...

Yaskawa Electric Shares Slide as Weak Profit Overshadows Strong AI Demand

Yaskawa Electric Corp. (TYO:6506) shares extended losses for a second consecutive session on Tuesday after the Japanese robotics and factory automation company reported weaker-than-expected quarterly earnings, with...

Australia Flags Child Safety Gaps at Apple, Meta, Google Over Online Sexual Extortion

Australias online safety regulator has warned that major technology companies, including Apple, Meta, Google, Microsoft and Snap, still have significant shortcomings in tackling child sexual abuse and the rising threat of...

SoftBank Corp Partners With Sierra to Expand AI Customer Support Across Japan

SoftBank Corp (TYO:9434) announced on Tuesday a strategic partnership with AI startup Sierra to expand artificial intelligence-powered customer support services across its operations in Japan, marking another step in the...