From PBS NewsHour.

Saturday on PBS News Weekend, a new study highlights the growing health dangers of plastic pollution. As megafires become more common, an anthropologist gives a firsthand account of a historic season with the elite Los Padres Hotshots. History is made as a woman umpires a regular-season MLB game for the first time. Plus, scientists in South Africa make rhino horns radioactive to fight poaching.

WATCH TODAY’S SEGMENTS:
News Wrap: Zelenskyy says Ukraine won’t cede land to Russia

Study highlights ‘grave’ health dangers of plastic pollution

New book recounts megafire season with Los Padres Hotshots

What Pawol’s MLB debut means for the future of women umpires

Scientists make rhino horns radioactive to fight poachers

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00:00 – Intro
01:47 – News Wrap
04:25 – The Plastic Problem
09:44 – Wildfires
15:19 – Major League Debut
20:51 – Radioactive Rhinos
23:02 – Goodnight