Crisis – Page 2 – Nature Observer

Arctic Wildfires: Causes, Consequences, and the Changing Northern Climate

Arctic wildfires have become one of the most alarming indicators of rapid climate change in high-latitude regions. Once considered extremely rare due to cold temperatures and moisture-rich landscapes, these fires…

DeKa November 19, 2025

Crisis Ecology Global Challenges

Noise Pollution: Causes, Effects, and Global Impact

Noise pollution refers to unwanted or harmful levels of sound that disrupt natural environments, human health, and daily activities. It is generated by transportation systems, industrial facilities, urban development, and…

DeKa November 19, 2025

Crisis Ecology News

The Decline of Insect Populations Over the Last 100 Years

Insect populations around the world have experienced a dramatic decline over the past century, raising concerns among scientists, ecologists, and policymakers. Insects play essential roles in ecosystems, including pollination, decomposition,…

DeKa November 18, 2025

Crisis Ecology Global Challenges

How We Can Clean the Ocean: Technologies and Solutions for a Healthier Planet

The world’s oceans cover more than 70% of Earth’s surface and are vital for climate regulation, weather systems, biodiversity, and human life. Yet today they face a critical threat: pollution…

DeKa November 14, 2025

Climate Crisis Global Challenges

How Global Warming Affects Climate

Global warming refers to the long-term increase in Earth’s average surface temperature, primarily driven by the accumulation of greenhouse gases such as carbon dioxide, methane, and nitrous oxide. These gases…

DeKa November 11, 2025

Climate Crisis Ecology

Environmental Impact of Humans and Animals Over the Last 1000 Years

Over the past thousand years, both humans and animals have shaped the natural environment in significant ways, although the scale of influence differs greatly between them. Animals interact with ecosystems…

DeKa November 10, 2025

Climate Crisis Environmental Hazards

Hurricane

A hurricane is a large and powerful tropical cyclone characterized by strong winds, heavy rainfall, and a rotating storm system formed over warm ocean waters. Hurricanes develop when warm, moist…

DeKa November 8, 2025

Climate Crisis Ecology

Climate: Humanity’s Number One Enemy

Climate operates as one of the most powerful forces shaping life on Earth, influencing ecosystems, weather patterns, and the stability of environments humans depend on. Throughout Earth’s history, the climate…

DeKa November 8, 2025

Climate Crisis Environmental Hazards

Drought

Drought is a prolonged period of unusually low rainfall that leads to water shortages across landscapes, affecting agriculture, ecosystems, and human populations. It is considered one of the most impactful…

DeKa November 8, 2025

Climate Crisis Global Challenges

Global Freshwater Crisis

Freshwater is one of the most essential resources for life, yet it represents only a small fraction of the planet’s total water supply. Despite covering most of the Earth, the…

DeKa November 8, 2025