Zeke is an energy systems analyst and environmental economist with a strong interest in conservation and efficiency. He was previously the chief scientist at C3, an energy management and efficiency company. He also cofounded Efficiency 2.0, a behavior-based energy efficiency company. He received a bachelor’s degree from Grinnell College, a master’s degree in environmental science from Vrije Universiteit in the Netherlands, and another master’s degree in environmental management from the Yale School of Forestry and Environmental Studies. He has published papers in the fields of environmental economics, energy modeling, and climate science.
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Fact-checking Trump’s false claims about the IPCC and ‘RCP8.5’ climate scenario
Among a flurry of posts on social media last weekend, US president Donald Trump declared “good riddance” to a specific emissions scenario used in global climate projections.
May 20, 2026
Growth of Chinese fossil CO2 emissions drives new global record in 2023
Global carbon dioxide emissions from fossil fuels and cement have increased by 1.1% in 2023, hitting a new record high of 36.8bn tonnes of CO2 (GtCO2), according to the 2023 Global Carbon Budget report by the Global Carbon Project.
December 20, 2023
UNEP: Meeting global climate goals now requires ‘rapid transformation of societies’
The world faces a “rapidly closing window” to meet the Paris Agreement’s goals, warns the latest “emissions gap” report from the UN Environment Programme (UNEP).
November 8, 2022
State of the climate: Summer 2021 sets new high for average land temperature
The year so far has been one of extremes, featuring record-shattering heatwaves, wildfires and flooding, as well as the warmest-ever meteorological summer – June, July and August – in the global land-surface record.
October 20, 2021
Explainer: Will global warming ‘stop’ as soon as net-zero emissions are reached?
Much of the confusion around committed warming stems from mixing up two different concepts: a world where CO2 levels in the atmosphere remain at current levels; and a world where emissions reach net-zero and concentrations begin to fall.
May 6, 2021
UNEP: Net-zero pledges provide an ‘opening’ to close growing emissions ‘gap’
The recent net-zero pledges by major emitting countries and the potential for a “green recovery” from the Covid-19 pandemic “presents the opening” for the world to close the growing “gap” between existing commitments and what is needed to limit global warming to meet the Paris Agreement goals.
December 10, 2020
