Climate – Page 5 – Nature Observer

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

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

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The Greenhouse Effect: A Complex Process Explained Simply

The greenhouse effect is a natural process that allows life to exist on Earth, yet it is often misunderstood or oversimplified. In basic terms, it describes how heat is retained…

DeKa February 9, 2026

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Subsun: The Mysterious Mirror of the Sun in the Sky

A subsun is a rare and striking atmospheric optical phenomenon that looks like a bright reflection of the Sun appearing below the real Sun. At first glance, it may resemble…

DeKa February 9, 2026

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Halo: The Luminous Rings Around the Sun and Moon

A halo is a beautiful and sometimes mysterious atmospheric phenomenon that appears as a bright ring or arc of light around the Sun or the Moon. For many people, seeing…

DeKa February 9, 2026

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Australia: A Continent of Extremes, Nature, and Culture

Australia is one of the most distinctive regions on Earth, unique in being both a sovereign country and an entire continent. Its isolation over millions of years shaped landscapes, ecosystems,…

DeKa February 5, 2026

Climate Nature Our Planet

What Is Snow?

Snow is one of the most familiar natural phenomena, yet its formation involves complex physical processes happening high in the atmosphere. At its core, snow is a form of frozen…

DeKa February 3, 2026