DeKa – Page 3 – Nature Observer

How Many People Can Planet Earth Support? The Science Behind Human Carrying Capacity

How many people the Earth can support is one of the most debated questions in environmental science, ecology, and global development. Unlike simple calculations of land area or food production,…

DeKa December 2, 2025

Crisis Ecology Global Challenges

The Global Ecological Crisis: Causes, Consequences, and What Humanity Must Do Next

The global ecological crisis is one of the most urgent and complex challenges facing humanity today. It refers to the ongoing degradation of Earth’s natural systems — from climate instability…

DeKa December 2, 2025

Green City News Nourished Future

Perovskite Solar Cells: The Breakthrough Technology Transforming Solar Energy

Perovskite solar cells are one of the most promising innovations in renewable energy. Over the last decade, they have rapidly advanced from a scientific curiosity to a leading candidate for…

DeKa December 2, 2025

Be smart Ecology News

Mountain Ridges for Solar Energy Generation: Why High-Altitude Solar Power May Shape the Future of Renewables

Harnessing solar energy from mountain ridges is becoming an increasingly attractive idea for engineers, climatologists, and renewable-energy specialists. High-altitude regions receive strong, stable sunlight, remain above cloud cover for much…

DeKa December 2, 2025

Be smart Climate Nature

Laacher See: Germany’s Sleeping Supervolcano and Its Geological Secrets

Laacher See, located in the Eifel region of western Germany, is one of Europe’s most fascinating volcanic lakes — and the site of a powerful eruption that occurred around 13,000…

DeKa December 1, 2025

Be smart Our Planet What if?

What Would Need to Happen for Earth to Start Rotating in the Opposite Direction?

Earth’s rotation — from west to east — has been stable for billions of years, shaping everything from climate and atmospheric circulation to ocean currents and biological rhythms. The idea…

DeKa November 28, 2025

Be smart Ecology Global Challenges

Bacteria That Eat Plastic and Produce Electricity: A Revolutionary Approach to Waste and Energy

Plastic pollution is one of the biggest environmental challenges of the 21st century. Every year, millions of tons of plastic enter landfills, rivers, and oceans, threatening ecosystems and human health.…

DeKa November 28, 2025

Be smart History Nature

Modern Theories on the Origin of Life on Earth

The origin of life on Earth remains one of the most profound and fascinating scientific questions of all time. While no single explanation has been universally confirmed, modern research offers…

DeKa November 28, 2025

Be smart Ecology Guardians of Nature

How to Harvest Mushrooms Properly and Safely

Harvesting mushrooms is a rewarding outdoor activity that combines nature exploration, knowledge of forest ecosystems, and careful identification skills. Whether done for culinary purposes, recreation, or scientific interest, proper mushroom…

DeKa November 27, 2025

Be smart Climate Environmental Hazards

Underwater Volcanoes and Their Eruptions

Underwater volcanoes, also known as submarine volcanoes, are hidden giants shaping the ocean floor and influencing Earth’s geology in powerful but often unseen ways. Unlike land volcanoes, which erupt into…

DeKa November 27, 2025