DeKa – Page 11 – Nature Observer

Subbotnik: Health Benefits, Environmental Impact, and How to Organize a Community Cleanup Better

A subbotnik is a community cleanup day in which neighbors, coworkers, students, families, or volunteers gather to improve a shared space. The tradition is especially familiar across Eastern Europe and…

DeKa September 20, 2026

Ecology Green City Guardians of Nature

Landfill Biogas Energy vs Solar Farms in Germany: Why Waste Gas Can Sometimes Be More Profitable

Germany is one of Europe’s leaders in solar power. Vast photovoltaic installations, rooftop systems, and utility-scale solar farms already produce a significant share of the country’s electricity. Yet there is…

DeKa September 19, 2026

Climate Environmental Hazards Our Planet

How Solar Activity Affects Earth’s Climate

The Sun is the ultimate energy source for Earth’s climate system. Almost every weather pattern, ocean current, and ecosystem depends directly or indirectly on solar energy. This makes one question…

DeKa September 19, 2026

Global Challenges News Tech & Nature

The 21st Century: Global Challenges Facing Human Civilization

The 21st century has already become one of the most transformative periods in human history. Humanity possesses extraordinary technologies, unprecedented scientific knowledge, global communication networks, and the ability to produce…

DeKa September 19, 2026

Be smart Climate Our Planet

The Coriolis Effect: Why Winds, Oceans, and Storms Curve Across the Earth

The Coriolis effect is one of those scientific ideas that seems mysterious until you realize it comes from something very familiar: Earth is rotating beneath everything moving across its surface.…

DeKa September 19, 2026

Climate Crisis Our Planet

Gulf Stream Slowdown: Is the Atlantic Ocean Current Really Weakening?

The Gulf Stream is often described as one of the great engines of Earth's climate. It carries enormous amounts of warm water northward through the Atlantic and helps shape weather…

DeKa September 19, 2026

Be smart Nature Our Planet

Indian Summer: Why Warm, Sunny Weather Can Return in Autumn

Autumn usually brings cooler days, longer nights, misty mornings, and increasingly unsettled weather. Yet sometimes, after the first noticeable chill of the season, the weather suddenly turns calm, dry, and…

DeKa September 19, 2026

Ecology Our Planet Tech & Nature

CO₂ in the Air: How Much of This “Magic Gas” Is Really in the Atmosphere?

Carbon dioxide is one of the most discussed gases on Earth. It is essential for plants, central to the carbon cycle, produced by animals and microorganisms, and one of the…

DeKa September 19, 2026

Ecology Tech & Nature What if?

Paper Packaging vs Plastic: Is Paper Really More Eco-Friendly?

Paper packaging has become a symbol of environmental responsibility. Grocery stores replace plastic bags with paper ones, restaurants switch to cardboard containers, and brands proudly advertise “plastic-free” packaging. At first…

DeKa September 19, 2026

Crisis Ecology Tech & Nature

Nuclear Weapons: What Are the Consequences of Their Use and Testing for the Planet?

Nuclear weapons are unlike any other military technology in history. A single detonation can destroy a city in seconds, expose large populations to radiation, contaminate land and water, disrupt ecosystems,…

DeKa September 18, 2026