DeKa – Page 13 – Nature Observer

Climate Change in the Arctic: Why Is It Happening 2–3 Times Faster?

The Arctic is warming significantly faster than the rest of the planet, a phenomenon known as Arctic amplification. While global average temperatures continue to rise steadily, Arctic regions experience increases…

DeKa February 18, 2026

Climate History Nature

Was There a Single Continent on Earth and Why Did It Break Apart?

Earth’s surface has not always looked the way it does today. Millions of years ago, the continents were joined together into a single massive landmass known as Pangaea. This supercontinent…

DeKa February 17, 2026

Be smart Ocean Secrets Our Planet

What Is Hidden at the Bottom of the Seas and Oceans?

The ocean floor remains one of the least explored regions on Earth, with vast areas still unmapped in detail. Although satellites have provided general outlines of underwater landscapes, direct exploration…

DeKa February 17, 2026

Be smart Climate News

What Are Climate Models and How Do They Predict the Future?

Climate models are powerful scientific tools used to simulate Earth’s atmosphere, oceans, land surface, and ice systems. They help researchers understand how different factors—such as greenhouse gas emissions, solar radiation,…

DeKa February 17, 2026

Be smart Climate Nature

How the Arctic Formed: The Geological History of the Polar North

The Arctic is one of the most extreme and scientifically fascinating regions on Earth. Today it is known for vast ice sheets, permafrost, polar seas, and unique ecosystems. However, the…

DeKa February 16, 2026

Be smart Stay Safe Tech & Nature

How to Survive in an Emergency Situation

Emergencies can occur without warning and often unfold within seconds, leaving little time for careful planning. Whether caused by natural disasters, accidents, technical failures, or sudden health threats, critical situations…

DeKa February 12, 2026

Climate Crisis Environmental Hazards

Permafrost Thaw: The Sleeping Threats of Canada and Siberia

Permafrost—ground that remains frozen for at least two consecutive years—covers vast regions of the Arctic, particularly in Canada and Siberia. For thousands of years, it has acted as a stable…

DeKa February 12, 2026

Climate Crisis Global Challenges

Climate Refugees: The Harsh Reality of the 21st Century

Climate refugees are individuals and communities forced to leave their homes due to environmental changes linked to climate disruption. Rising sea levels, prolonged droughts, extreme storms, desertification, and flooding increasingly…

DeKa February 12, 2026

Climate Crisis Global Challenges

Global Problems Facing the Planet in 2026

By 2026, humanity faces a set of interconnected global challenges that affect nearly every region of the world. These problems are not isolated; they influence one another, creating complex risks…

DeKa February 10, 2026

Climate Environmental Hazards News

The Rising Number of Sinkholes: Why They Occur and How Their Frequency Has Changed Over the Last 50 Years

In recent decades, reports of sudden ground collapses—known as sinkholes—have appeared more frequently in news headlines around the world. Roads, houses, farmland, and even entire city blocks have been damaged…

DeKa February 10, 2026