Crisis – Page 2 – Nature Observer

Climate and Health: Rising Infections, Heatwaves, and Allergies

Climate change is no longer only an environmental issue — it is increasingly recognized as a public health challenge. Rising global temperatures, shifting weather patterns, and extreme climate events are…

DeKa February 25, 2026

Climate Crisis Ecology

Ocean Acidification: Why Are the Oceans Becoming More Acidic and What Does It Threaten?

The world’s oceans absorb a significant portion of the carbon dioxide released into the atmosphere. While this process slows the pace of atmospheric warming, it triggers a chemical reaction in…

DeKa February 18, 2026

Climate Crisis Environmental Hazards

Extreme Heat and Heatwaves: The New Normal?

In recent years, extreme heat events have become more frequent, longer-lasting, and more intense across many regions of the world. Heatwaves that were once considered rare are now occurring with…

DeKa February 18, 2026

Climate Crisis Environmental Hazards

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 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

Crisis Ecology Guardians of Nature

Food Waste: How to Reduce Food Loss at Home and on a National Scale

Food waste is one of the most overlooked environmental and social problems of the modern world. Every year, enormous amounts of edible food are discarded while millions of people face…

DeKa January 29, 2026

Crisis Ecology Global Challenges

The Problem of Ocean Pollution: From Oil Spills to Garbage Islands

The pollution of the world’s oceans is one of the most serious environmental challenges of the modern era. Oceans cover most of the planet and play a crucial role in…

DeKa January 27, 2026

Climate Crisis Global Challenges

Water as a Resource: The Problem of Freshwater Scarcity and How to Protect It

Freshwater is one of the most vital resources on Earth, yet it is far more limited than it may seem. Although water covers most of the planet, only a small…

DeKa January 27, 2026