What is renewable energy? Power from sun, wind, water, earth heat and plants. US and California shares, how each type works, costs, and pros and cons.
AI Pros and Cons: The Real Risks and Benefits, With Data
Artificial intelligence pros and cons with data: productivity, health and access gains vs errors, bias, jobs, energy use and new US and California rules.
Ocean Exploration vs. Space Exploration: Budgets, Risks, Results
Ocean exploration vs space exploration: NASA gets $24.4 billion, NOAA ocean exploration $46 million, and only 28.7% of the seafloor is mapped as of 2026.
How Much Do Solar Panels Cost in 2026? Prices and Payback
Solar panels installation cost in 2026: about $3.60 per watt, or $23,000-$35,000 for a typical home, with no federal credit for new installs.