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Steve Pye

Associate Professor in Energy Systems, UCL
Steve Pye is a Principal Research Associate in energy systems at the UCL Energy Institute, with over 10 years’ experience in the provision of climate and energy-related research and consultancy, particularly through the development and application of MARKAL/TIMES energy system models. His current research interests include exploration of low carbon transitions in the UK, focusing on exploring, characterising and communicating system uncertainty, using both the UKTM and ESME models, and assessing issues of equity under different transitions.

Steve has been involved in numerous modelling studies exploring long term energy pathways for UK Government and associated UK bodies, such as the UK Committee on Climate Change (CCC). This includes provision of MARKAL modelling for the 2006 Energy Review, 2007 Energy White Paper and 2008 Climate Change Act Impact Assessment. He has also been involved in building a range of models, including the UK MARKAL model, and the UK TIMES model. Prior to joining UCL, Steve gained extensive international energy modelling experience. Between 2009 and 2012, he worked on a range of large scale projects for USAID in the Balkan region, Asian Development Bank (ADB) in Pakistan and US DOE in the USA. All projects have focused on MARKAL/TIMES model development and analysis of long term sustainable energy pathways, with strong capacity building aspects.

The world no longer needs fossil fuels – and the UK could lead the way in making them taboo

Jun 18, 2024 05:22 am UTC| Insights & Views Economy

North Sea oil and gas has become a battleground issue in the UK general election. The Labour partys manifesto promises an end to issuing new licenses for finding oil and gas. The Conservative party meanwhile proposes a...

COP28 president is wrong – science clearly shows fossil fuels must go (and fast)

Dec 05, 2023 05:40 am UTC| Science

According to the president of COP28, the latest round of UN climate negotiations in the United Arab Emirates, there is no science indicating that phasing out fossil fuels is necessary to restrict global heating to...

France used 10% less electricity last winter – three valuable lessons in fighting climate change

Sep 19, 2023 00:45 am UTC| Economy

Measures which help people use less energy at home, while travelling or at work could significantly cut greenhouse gas emissions according to the UNs Intergovernmental Panel on Climate Change. When there is less demand for...

Economy

Social Security Overhaul Passes in Congress Leaving Experts Divided Over Program’s Financial Future

The Social Security Fairness Act has cleared Congress, offering increased benefits for retirees with public pensions. Critics warn the $196 billion measure could deepen financial instability in the already strained Social...

Holiday Travel Faces Turmoil as TSA Warns Shutdown Could Trigger Airport Delays Across the US

The TSA has warned that a government shutdown could severely disrupt airport operations during the holiday season. With 59,000 essential staff working unpaid, record passenger volumes may result in longer wait times unless...

Starbucks Union Strike Expands Nationwide as Baristas Demand Higher Wages, Better Schedules, and Fair Staffing

Unionized Starbucks workers walked off their jobs Friday, closing cafes in cities like Los Angeles and Chicago. The five-day strike escalates nationwide, with baristas demanding higher wages, better staffing, and improved...

2025 Housing Market Outlook Brings Glimmers of Optimism but Affordability Concerns Still Loom Large

The U.S. housing market in 2025 offers cautious optimism, with Bank of America predicting better supply and steady mortgage rates. However, affordability and inventory shortages are expected to limit the pace of recovery,...

Soaring EV Sales Spark Scramble for Lithium and Graphite as 2030 Supply Pinch Looms

A booming market could drive electric vehicle sales from 4.5 million this year to nearly 28 million by 2030, pressuring scarce battery resources. A new McKinsey analysis highlights looming shortages in lithium, manganese,...

Politics

Jack Posobiec Vows to Sue 'Every Member' of Jan. 6 Committee, Starting with Liz Cheney'

Political commentator Jack Posobiec has announced plans to file a class-action lawsuit against all members of the January 6th Committee, beginning with former Representative Liz Cheney. Posobiecs declaration follows recent...

Marjorie Taylor Greene Calls Derek Chauvin a 'Political Prisoner' and Demands His Release'

In a recent social media post, Representative Marjorie Taylor Greene (R-Ga.) referred to Derek Chauvin, the former Minneapolis police officer convicted of murdering George Floyd, as a political prisoner and called for his...

US Targets Huawei Ties in TSMC AI Chip Scandal Sparking Fresh Tech Showdown

The US is preparing to blacklist Sophgo for its involvement in supplying TSMC chips found in Huaweis AI processors. This decision intensifies Washingtons campaign against Chinas tech ambitions and raises new challenges for...

Donald Trump's Alleged Plans to Fire Elon Musk Spark Controversy Over Administration Rift and Business Ties

Speculation is mounting over reports that former President Donald Trump is considering removing Elon Musk from any future role in his administration. The rumors, amplified by a post on Polymarket predicting only a 13%...

Mitt Romney Claims 'Democrats Will Save Johnson' Sparking Outrage Over 'Speaker's Leadership and Bipartisan Politics'

In a striking statement, Senator Mitt Romney suggested that Democrats may intervene to keep Mike Johnson as Speaker of the House. The claim, shared in a tweet by conservative commentator Laura Loomer, has sparked a fiery...

Science

Emergency Declared as Bird Flu 'Spreads' to California Dairy Cows

California Governor Gavin Newsom has officially declared a state of emergency in response to the rapidly escalating bird flu outbreak. The declaration comes after avian influenza was detected in dairy cows, a rare and...

Missing Radioactive Material in New Jersey Sparks Panic — Are Drones ‘Hunting for It’?

A small amount of radioactive material went missing in New Jersey earlier this month, raising concerns over public safety and potential security risks. The U.S. Nuclear Regulatory Commission (NRC) confirmed on December 2,...

Some black holes at the centers of galaxies have a buddy − but detecting these binary pairs isn’t easy

Every galaxy has a supermassive black hole at its center, much like every egg has a yolk. But sometimes, hens lay eggs with two yolks. In a similar way, astrophysicists like us who study supermassive black holes expect to...

Astronomers have pinpointed the origin of mysterious repeating radio bursts from space

Slowly repeating bursts of intense radio waves from space have puzzled astronomers since they were discovered in 2022. In new research, we have for the first time tracked one of these pulsating signals back to its...

How is Donald Trump prioritizing funding for cancer research in 2025?

President-elect Donald Trump has announced a major initiative to prioritize funding for cancer research in 2025, pledging billions in federal support to combat one of the worlds leading causes of death. The plan includes...

Technology

Samsung Plans Ultra-Thin Galaxy S25 Slim to Rival iPhone 17 Air in 2025 Flagship Battle

Samsung is reportedly preparing to unveil its thinnest flagship yet, the Galaxy S25 Slim, early next year. The device, with a rumored sub-7mm thickness, is aimed at challenging Apples iPhone 17 Air while pushing the...

OpenAI Heats Up AI Race with o3 Models Aiming to Outperform Google’s Gemini in Complex Problem Solving

OpenAI is raising the stakes in AI innovation with its o3 and o3 mini models, designed for superior reasoning and complex problem-solving. Scheduled for early 2024 releases, these models target leadership in the fierce...

Tesla Addresses 'Cell Dent' Issues in Cybertruck Batteries, Sends Units Back to Gigafactory Texas

Tesla has discovered cell dent problems in its Cybertruck battery packs, prompting the automaker to send affected vehicles back to Gigafactory Texas for replacement. The issue affects inventory vehicles and highlights...

US Grants $6.75 Billion in Chips Awards to Samsung, Texas Instruments, and Amkor for Manufacturing Boom

The US Commerce Department has finalized $6.75 billion in chips funding, granting billions to Samsung, Texas Instruments, and Amkor in a major push to secure domestic semiconductor leadership. Samsung Secures Largest Share...

Top AI Chip Stock Positioned for Explosive 2025 Growth, Jefferies Signals Major Upside

A top-performing AI chip company has emerged as Jefferies standout stock for 2025, fueled by groundbreaking advancements in custom chip designs. Analysts predict the firm could achieve record-breaking revenues and market...