Evaluating Energy Demand in a Warming Climate and Its Reversibility Under CO2 Removal Scenarios

Organization / Research Group

Vecchi Research Group

Location of Internship

Princeton University

Research Topic

Climate and Environmental Science

Research Activity

Computational Modeling/Data Analysis

Deadline

January 7, 2026 2:00 pm EST

Internship / Research Project Information

Internship / Project Description

Anthropogenic climate change is altering global and regional temperature distributions, with direct consequences for energy demand associated with space heating and cooling. This project will analyze how these demands—quantified using Heating Degree Days (HDD) and Cooling Degree Days (CDD)—evolve under both future warming scenarios and subsequent CO2 removal pathways. Using global climate model output, the intern will quantify changes in HDD and CDD across baseline (pre-industrial or present), peak-warming, and climate-restoration periods.

Preliminary analyses indicate substantial regional asymmetries: in many regions of the Global South, increasing cooling demand may lead to higher economic and infrastructure burdens, while parts of the Global North may experience net reductions in total demand (reduced HDD offsetting increased CDD). Moreover, initial results suggest that some of these energy-demand shifts may not fully reverse, even after atmospheric CO2 levels are reduced, highlighting a potential long-term inequity in climate impacts. The project will evaluate these patterns systematically across models and scenarios, clarifying the robustness and uncertainty of these outcomes.

Student's role and responsibilities

The student will learn the fundamental physical mechanisms underlying global warming and how climate models simulate the Earth system. They will become familiar with HDD and CDD metrics and will use Python to conduct statistical analyses on climate model experiments involving changes in atmospheric CO2, focusing on outputs from GFDL and NCAR models used within the Vecchi Research Group. The student will document their methods and results, with the opportunity to develop the work into a research-style paper and, depending on progress and scope, potentially contribute to a peer-reviewed publication.

Internship / project learning objectives

  • Develop a quantitative understanding of the climate system and global warming.
  • Learn how climate models represent physical processes and generate long-term projections.
  • Compute HDD and CDD from climate model datasets and quantify regional changes in energy demand under warming and CO2 removal.
  • Perform statistical analysis to assess multi-model spread and uncertainty.
  • Gain proficiency in Python-based climate data processing and analysis.
  • Build scientific communication skills through written documentation and research-style presentation of results.

Faculty Sponsor(s) / Host Information

Faculty Name

Gabriel Vecchi

Host Unit(s)

Geosciences (GEO)

Internship Requirements

Academic background and any course prerequisites

Multivariable Calculus, college-level Physics course.

Technical skills

Some experience with python.

Additional information about the internship / project
  • The student is encouraged to review basic Python programming and familiarize themselves with the “numpy” and “xarray” packages prior to the internship.
  • Students are responsible for securing accommodations for the duration of their internship. On-campus summer housing is typically available the first week of June until the first week of August (details to become available in Spring 2026). If the internship falls outside of on-campus housing availability, students will need to secure alternate housing.

Internship / Project Supervisor(s)

Primary supervisor

Gabriel Vecchi, GEO

Additional supervisor

Ivan Mitevski, Postdoctoral Research Associate, GEO

Internship Dates And Funding Information

Weekly stipend

$800

Number of positions available

1

Number of weeks

9

Tentative dates

June 8, 2026 to August 7, 2026

Application Information

Deadline

January 7, 2026 2:00 pm EST

Link

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