🔬 science90 %Since 1776, the country has altered 90% of its natural ecosystems

The United States marks 250 years of environmental transformation

The 250th anniversary of the United States highlights its historic ecological impact.

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The fact

Since 1776, the country has altered 90% of its natural ecosystems.

Scientists warn about the urgency to restore degraded environments.

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Auto-synthesis from 1 media source · identified on July 4, 2026