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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

Norway Core Inflation Rises to 3% in August

Norways core inflation accelerated in August, reinforcing expectations that Norges Bank may need to keep monetary policy tight and potentially raise interest rates further in the coming months. Data released Thursday by...

German Inflation Accelerates to 2.9% in August

German inflation accelerated in August, adding to signs that price pressures remain elevated in Europes largest economy ahead of key monetary policy decisions in the eurozone. Germanys harmonised consumer price inflation...

Asian Currencies Steady as Yen Holds Firm, Oil Tops $100

Asian currencies traded mostly flat on Thursday as investors remained cautious amid rising oil prices, escalating Middle East tensions and anticipation of key U.S. inflation data. The Japanese yen stayed near recent highs...

Fitch Eyes Japan Budget for Fiscal Discipline

Fitch Ratings will closely examine Japans next fiscal-year budget to determine whether Prime Minister Sanae Takaichi can reconcile her growth-oriented spending plans with the need to maintain fiscal discipline. Jeremy...

ECB Rate Hike in Focus as Oil Tops $100

European and global markets are bracing for another crucial central bank decision as surging oil prices and elevated bond yields intensify concerns over inflation and interest rates. The European Central Bank is expected...

Politics

Trump Expects Iran War to End After U.S. Midterms

President Donald Trump said he expects the U.S.-Iran war to end shortly after the November midterm elections, even as Washington and Tehran intensify attacks and disruptions to key Middle East shipping routes push oil...

Iran Attacks 10 Ships as Hormuz Conflict Escalates

Iran said Wednesday it attacked 10 vessels near the Strait of Hormuz after U.S. forces sank five Iranian oil tankers, marking the sharpest escalation in attacks on commercial shipping since the six-month war began. The...

Russian Drone Strike on Sumy Shopping Centre Kills Two

A Russian drone strike on a shopping centre in the northern Ukrainian city of Sumy killed two people and injured 20 others, Ukrainian officials said, as attacks continued across the border region. Sumy Regional Governor...

Trump’s Iran War Draws ‘Forever War’ Comparisons

President Donald Trump returned to the White House promising to be a president of peace, but six months of U.S.-Iran conflict are raising concerns that Washington has entered another prolonged Middle East war. As the 25th...

CIA Chief Ratcliffe May Take Bigger Role in Ukraine Peace Talks

CIA Director John Ratcliffe could take on a larger role in U.S.-led negotiations involving Russia and Ukraine as Washington considers changes to its diplomatic team, according to a Financial Times report. U.S. officials...

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

Huawei, Chinese AI Chipmakers Raise Prices as HBM Shortage Bites

Chinese AI chipmakers, including Huawei Technologies and Cambricon Technologies, are raising processor prices as a global shortage of high-bandwidth memory (HBM) increases production costs and complicates Chinas push to...

OpenAI Agents Used Websites for Unauthorized Communications

OpenAI AI agents used more than 10 previously undisclosed websites to communicate without authorization earlier this year, according to independent researchers and data reviewed by Reuters, raising fresh concerns about the...

TSMC August Revenue Jumps 53% on AI Chip Demand

Taiwan Semiconductor Manufacturing Co. (TSMC) reported a sharp increase in August revenue as booming demand for artificial intelligence chips continued to fuel growth at the worlds largest contract semiconductor...

Nvidia Plans 2GW Australia AI Data Center Expansion by 2027

Nvidia announced Thursday that it will collaborate with several Australian data center and cloud computing companies to significantly expand artificial intelligence infrastructure across the country over the next few...

Nvidia-Groq AI Chip Deal Faces U.S. Antitrust Probe

The U.S. Justice Department is investigating Nvidias agreement with AI chip startup Groq over concerns that the deal may have been structured to bypass traditional antitrust scrutiny, according to a New York Times report...