Global Challenges – Page 7

How to Solve the Problem of Waste on Our Planet

The problem of waste accumulation has become one of the most urgent environmental challenges of the 21st century. Every year humanity produces over 2 billion tons of municipal solid waste,…

DeKa September 6, 2025

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What Can We Do to Survive a Supernova?

A supernova is the explosive death of a massive star, releasing enormous amounts of energy, light, and radiation. These explosions can briefly outshine entire galaxies and send shockwaves of matter…

DeKa September 5, 2025

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What Is Cosmic Radiation and How to Protect Against It?

Cosmic radiation refers to high-energy particles that come from space and constantly bombard Earth. Unlike ordinary sunlight, cosmic rays are mostly made of atomic nuclei and subatomic particles traveling at…

DeKa September 5, 2025

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How to Protect Against Gamma-Ray Bursts

Gamma-ray bursts (GRBs) are among the most powerful explosions in the universe. They release intense beams of high-energy radiation when massive stars collapse into black holes or when two neutron…

DeKa September 5, 2025

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What Threats to Humanity Come from Space?

Space is vast and awe-inspiring, but it also contains dangers that could threaten life on Earth. While many of these risks are rare, they highlight the vulnerability of our planet…

DeKa September 5, 2025

Crisis Environmental Hazards Global Challenges

Collision of a Comet with Earth – What We Can Do and the Consequences of Impact

The possibility of a large asteroid or comet colliding with Earth is rare but real. Throughout history, our planet has been struck by space objects of various sizes, some of…

DeKa September 5, 2025