Nonrival

April 06, 2026

Human experts + AI summaries - on public policy, economics, and technology.

Extreme Heat Drives Massive Deforestation as Farmers Expand Cropland Rather Than Adapt

nber

• When extreme heat damages crop yields, farmers respond by clearing forests to expand farmland rather than adapting their existing operations or relocating production
• Using satellite data from 2001-2019, researchers found this effect is strongest in tropical regions growing temperature-sensitive crops, with deforestation almost entirely driven by new cropland expansion
• The study projects that climate warming through 2100 could cause an additional 28 million hectares of forest loss, challenging assumptions that farmers will adapt to climate change without major environmental damage

Why Tariffs on Car Parts Would Hurt American Automakers More Than Help Them

nber

• Tariffs on imported vehicles alone would benefit U.S. automakers by about $1 billion while costing consumers $14 billion as buyers shift to domestically assembled cars
• Adding tariffs on imported car parts would backfire spectacularly, causing U.S. automaker profits to fall by $2.6 billion while doubling consumer losses to roughly $28 billion
• The research reveals that automakers heavily reliant on global supply chains get hammered by parts tariffs, while only those using mostly domestic parts can increase profits

America's Critical Minerals Strategy Is Missing a Key Piece: Creating Demand for What We Want to Produce

csis

• The U.S. has focused on building critical mineral supply through new mines and processing facilities, but investors won't finance these projects without guaranteed buyers — and America consumes less than 5% of most critical minerals globally.
• Unlike China, which built dominance by creating demand through massive EV manufacturing (like BYD's $230 billion in government support), the U.S. lacks integrated mine-to-market strategy.
• The solution requires boosting EV adoption, extending production tax credits, pooling demand with allies, and creating market incentives that reward sourcing from trusted suppliers rather than just building more supply capacity.

In the News

Climate change is generating unprecedented weather events that would have been virtually impossible in the 20th century

yale_climate

• A record-breaking heat wave hit the Southwest U.S. in March 2026, with temperatures soaring into the 100s and breaking the previous March temperature record set in 2012 by about half a degree.
• Scientists say these extreme events are becoming regular occurrences due to climate change, which adds more energy to the atmosphere and disrupts circulation patterns, creating heat domes and weather extremes far beyond what global average warming would suggest.
• The article lists six of the most astonishing weather events of the century, including deadly heat waves in Russia (2010) and the Pacific Northwest (2021), Hurricane Sandy's record size (2012), and an Antarctic warming event that saw temperatures 81°F above normal (2022).

Analysis

China Is Catching Up to the US in AI Patents, But the Two Countries Innovate Very Differently

nber

• Researchers developed a highly accurate system to identify AI patents and found that China has recently surpassed the US in annual AI patent filings, though both countries show similar rates of AI innovation intensity.
• The structure of AI innovation differs dramatically: US patents come mainly from large private companies in established tech hubs, while Chinese patents are more geographically spread out and involve more universities and state-owned enterprises.
• Despite growing geopolitical tensions, Chinese AI inventors still rely heavily on US technological knowledge through patent citations, suggesting continued scientific interdependence rather than complete decoupling.

Also Worth a Look

• Trump's New Drug Tariffs Will Hurt American Patients More Than They Help U.S. Manufacturing (itif)
• The Iran War Is Reshaping Global Energy Markets, With Winners and Losers Emerging Across Continents (atlantic_council)
• America's Near-Zero Labor Force Growth Is Forcing the Fed to Rethink What Full Employment Looks Like (sf_fed)
• The manosphere's antisemitism problem has centuries-old roots in attacks on Jewish masculinity (the_conversation)
• Americans Are Cooling on Electric Vehicles as Gas Prices Soar During Iran Conflict (pew)
• The March Jobs Report Looks Solid, but the Numbers Are Getting Harder to Trust (employ_america)
• Why Nominal Interest Rates Pack More Economic Punch Than Economists Thought (nber)