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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

European Stocks Slip as Iran Tensions Offset Strong Eurozone Data

European stocks reversed early gains on Wednesday as renewed tensions involving Iran weighed on investor sentiment, overshadowing stronger-than-expected Eurozone economic data and temporary relief in crude oil prices. The...

Dollar Hits Two-Month High as Fed Rate Hike Bets Rise

The U.S. dollar climbed to a two-month high on Wednesday as traders increased bets that the Federal Reserve will continue raising interest rates to curb persistent inflation. The Dollar Spot Index gained 0.2%, extending...

US Stock Futures Rise as Meta Muse Fuels AI Rally

U.S. stock futures edged higher Wednesday as investors focused on renewed artificial intelligence enthusiasm, upcoming U.S. economic data and a key meeting between U.S. and Chinese leaders. Dow Jones futures rose 41...

Diesel Dilemma: U.S. Considers Export Ban Amidst Record Prices

Rising domestic costs to unprecedented levels, President Trump has said support for a short ban on U.S. diesel exportsa complicated issue for the administration. Driven by the Middle East war, supply interruptions, and...

Asian Stocks Mixed Ahead of Trump-Xi Meeting

Asian stock markets traded mixed on Wednesday as investors remained cautious ahead of a closely watched meeting between U.S. President Donald Trump and Chinese President Xi Jinping. U.S. stock futures were also largely...

Politics

Trump Board of Peace Unveils $2.45 Billion Gaza Recovery Plan

U.S. President Donald Trumps Board of Peace is set to unveil a six-month, $2.45 billion Gaza recovery plan on Wednesday, outlining dozens of projects aimed at rebuilding critical infrastructure and restoring basic services...

Kremlin Says No Grounds Yet for Ukraine Peace Talks

The Kremlin said Wednesday that conditions are not yet in place to restart Ukraine peace talks, even as Russia remains open to negotiations ahead of a planned meeting between Russian Foreign Minister Sergey Lavrov and U.S....

Lula and Flavio Bolsonaro Tied in Brazil Runoff Poll

Brazilian President Luiz Inacio Lula da Silva and Senator Flavio Bolsonaro remain locked in a statistical tie in a potential presidential runoff, according to an AtlasIntel/Bloomberg poll released Wednesday, highlighting...

Iran Vows ‘Crushing’ Response as US Talks Continue

Irans military has warned it is prepared to launch crushing retaliatory attacks if the United States or Israel carries out further strikes, responding to President Donald Trumps threat to annihilate the Islamic Republic....

China Tightens Fentanyl Rules Ahead of Trump-Xi Summit

China has introduced new guidelines for handling criminal cases involving fentanyl-related substances, strengthening its legal framework for combating synthetic opioid crimes ahead of a high-profile meeting between Chinese...

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

Microsoft Stock Upgraded as Stifel Sees Stronger Azure Growth

Stifel upgraded Microsoft (NASDAQ: MSFT) to Buy from Hold and lifted its price target to $575 from $530, citing stronger confidence in the technology giants ability to maintain mid-to-upper-teens revenue growth. Analysts...

Scott Bessent Eyed as Trump’s New AI Czar

U.S. Treasury Secretary Scott Bessent is under consideration to become President Donald Trumps new artificial intelligence czar as Washington intensifies its focus on AI development, safety and national security. A source...

China Reviews Broadcom Switch Use in State Data Centres

China is reviewing the use of Broadcom switches in state-backed data centres as Beijing intensifies efforts to reduce dependence on foreign technology and promote domestic semiconductor and networking equipment suppliers,...

US Northeast Airports Resume Operations After Telecom Outage Disrupts Thousands of Flights

US airport operations across the Northeast began returning to normal on Monday after crews repaired telecommunications problems that had disrupted air traffic and contributed to thousands of flight delays and cancellations...

Burnham Eyes UK Leadership Role in AI Ahead of Trump Meeting

British Prime Minister Andy Burnham will push for the UK to take a global leadership role in artificial intelligence on Tuesday as he makes his first major appearance on the international diplomatic stage at the United...