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Peter Irvine

Lecturer in Earth Sciences, UCL
I am a Lecturer in Earth Sciences at UCL. My research focuses on solar geoengineering, a set of proposals to increase the amount of light that the Earth reflects to lower its temperature. Through my research, I seek to understand the potential risks and benefits of solar geoengineering and to explore its broader implications. My work has two broad themes:

1) Evaluating the climate response to solar geoengineering. Using state of the art Earth system models, I analyse the climate response to stratospheric aerosol geoengineering and other solar geoengineering proposals. I am particularly interested in finding ways to understand and effectively visualise this climate response.

2) Considering the broader implications of solar geoengineering. Collaborating with colleagues from a range of disciplines, I seek to draw out the implications of the scientific findings on solar geoengineering for the broader questions that this proposal raises.

In my interdisciplinary work I seek to connect the scientific findings on solar geoengineering to the broader questions that this proposal to control the climate raises. I work with ethicists, economists and lawyers to better understand the potential harms and benefits of solar geoengineering and how they could be addressed through compensation. I also work to understand the implications that the technical requirements of solar geoengineering would have on its governance.

Economy

Russia Stocks End Flat as Energy and Retail Shares Show Mixed Performance

Russian stocks closed mixed after Saturdays trading session on the Moscow Exchange, with the benchmark MOEX Russia Index finishing unchanged at 0.00%. Despite the flat headline performance, individual stocks showed varied...

Global Markets Slide as Tech Stocks Sink, Yields Rise, and AI Concerns Deepen

Global financial markets ended Friday on a weaker note as major stock indexes declined, led by a sharp selloff in technology shares amid renewed skepticism over artificial intelligence investments. Rising U.S. Treasury...

Fed Near Neutral Signals Caution Ahead, Shifting Focus to Fixed Income in 2026

The Federal Reserves latest policy signals suggest that interest rates are now close to neutral, raising the bar for additional rate cuts in 2025 and beyond. This shift implies restraint rather than rescue from the central...

S&P 500 Slides as AI Chip Stocks Tumble, Cooling Tech Rally

U.S. stocks closed sharply lower on Friday as a selloff in technology shares, led by semiconductor companies, weighed heavily on broader markets and dampened enthusiasm around the artificial intelligence trade. The...

Fed Rate Cut Signals Balance Between Inflation and Jobs, Says Mary Daly

Federal Reserve Bank of San Francisco President Mary Daly said she supported cutting interest rates at this weeks Federal Open Market Committee (FOMC) meeting, highlighting the central banks effort to carefully balance...

Politics

Judge Orders Return of Seized Evidence in Comey-Related Case, DOJ May Seek New Warrant

A federal judge has ruled that prosecutors must return evidence seized from a key figure connected to the now-dismissed criminal case against former FBI Director James Comey, while allowing the U.S. Department of Justice...

Russian Drone Attack Hits Turkish Cargo Ship Carrying Sunflower Oil to Egypt, Ukraine Says

Ukraines navy has accused Russia of deliberately targeting a civilian Turkish cargo vessel with a drone attack in the Black Sea, escalating concerns over maritime security and the safety of international shipping routes....

U.S. Soldiers Killed in ISIS Attack in Palmyra, Syria During Counterterrorism Mission

Two U.S. Army soldiers and a civilian interpreter were killed on Saturday during an Islamic State (ISIS) attack in Palmyra, Syria, according to an official statement from the Pentagon. The attack occurred while U.S. forces...

International Outcry Grows Over Re-Arrest of Nobel Laureate Narges Mohammadi in Iran

International human rights organizations have strongly condemned the re-arrest of Iranian Nobel Peace Prize laureate Narges Mohammadi, sparking renewed global concern over freedom of expression and human rights in Iran....

Belarus Pledges to Halt Smuggling Balloons Into Lithuania

Belarusian President Alexander Lukashenko has pledged to take action to stop weather balloons used by cigarette smugglers from crossing into Lithuania, according to comments made by U.S. President Donald Trumps envoy, John...

Science

Senate Sets December 8 Vote on Trump’s NASA Nominee Jared Isaacman

The U.S. Senate Commerce Committee announced it will vote on December 8 on President Donald Trumps renewed nomination of private astronaut and tech entrepreneur Jared Isaacman to lead NASA. Isaacman, known for his...

NASA Cuts Boeing Starliner Missions as SpaceX Pulls Ahead

NASA has significantly scaled back Boeings Starliner program after years of technical issues and delays, announcing that the next Starliner mission to the International Space Station (ISS) will fly without astronauts. The...

Blue Origin’s New Glenn Achieves Breakthrough Success With First NASA Mission

Blue Origins massive New Glenn rocket marked a major milestone as it completed its first mission for paying customers, sending two NASA satellites toward Mars and successfully landing its reusable booster at sea. The...

Cogent Biosciences Soars 120% on Breakthrough Phase 3 Results for Bezuclastinib in GIST Treatment

Cogent Biosciences (NASDAQ: COGT) shares skyrocketed over 120% after the biotech company announced groundbreaking results from its Phase 3 PEAK trial evaluating bezuclastinib in combination with sunitinib for patients with...

Trump and Merck KGaA Partner to Slash IVF Drug Costs and Expand Fertility Coverage

U.S. President Donald Trump and German pharmaceutical company Merck KGaA have announced a groundbreaking deal aimed at lowering the cost of in-vitro fertilization (IVF) treatments while boosting access to fertility care in...

Technology

SpaceX Insider Share Sale Values Company Near $800 Billion Amid IPO Speculation

SpaceX, the aerospace company founded by Elon Musk, has reportedly authorized an insider share sale that places its valuation at approximately $800 billion, according to a Bloomberg News report published Friday. The move...

Mizuho Raises Broadcom Price Target to $450 on Surging AI Chip Demand

Mizuho Securities has raised its price target on Broadcom Inc. (NASDAQ: AVGO), highlighting accelerating momentum in the companys artificial intelligence business and a rapidly expanding long-term backlog. The brokerage...

Trello Outage Disrupts Users as Access Issues Hit Atlassian’s Work Management Platform

Atlassian Corps popular work management software Trello experienced a service disruption on Friday, leaving a number of users unable to access the platform. The outage was flagged by internet monitoring service...

Intel’s Testing of China-Linked Chipmaking Tools Raises U.S. National Security Concerns

Intel has tested advanced chipmaking equipment this year from ACM Research, a semiconductor toolmaker with deep operational ties to China, according to sources familiar with the matter. The move has drawn scrutiny because...

Moore Threads Stock Slides After Risk Warning Despite 600% Surge Since IPO

Moore Threads Technology Co Ltd (SS:688795), a Chinese graphics chipmaker often described as Chinas potential rival to NVIDIA Corporation (NASDAQ:NVDA), saw its share price fall sharply on Friday after the company issued a...