“Irregular warfare is not the panacea, but it is perhaps the best opportunity space to shape adversary decision calculus in ways that other military tools cannot,” Lt. Col. Steve Ferenzi MIA '15 cowrites on deterrence in the gray zone.

Climeworks is selling captured carbon dioxide this holiday season, which Julio Friedmann sees as a valid, verified way for people to undo the damage caused by their carbon emissions.

“EPA methane data is meticulously curated but inaccurate,” Robert Kleinberg of Columbia's Center on Global Energy Policy joins the discussion as the House Science Committee says information will help the U.S. meet its Global Methane Pledge.

Jeffrey Sachs writes on how the two-tiered global financial system poses an obstacle in front of the low- and lower-middle-income countries pursuing their development goals and doing their part in tackling problems like climate change.

Shang-Jin Wei says that food prices are rising because of food supply chain disruptions, monetary policy, and high Chinese tariffs.

“The Covid misinformation and disinformation campaign from the GOP should not be ignored as being a reason why the variant could spread in the U.S.,” Lincoln Mitchell writes.

General John W. Raymond of the U.S. Space Force keynoted the annual NY Cyber 9/12 Strategy Challenge at SIPA.