UNIT XIV. New Challenges to Human Adaptation and Social Change

Humans have always been good at adapting to different environments — building shelter, growing food, and forming communities. But today, modern society faces global problems that are bigger, more complex, and require cooperation, awareness, and action.

Let’s look at two major challenges that affect how people live, move, and survive in the 21st century:

1. Global Warming and Climate Change

·        Global warming is the gradual increase in Earth’s temperature mainly caused by human activities, especially burning fossil fuels (like gasoline, coal, and oil).

·        Climate change is the broader term that includes long-term changes in the world’s climate — such as more intense typhoons, rising sea levels, unpredictable rainfall, and heatwaves.

These problems are made worse by:

·        Deforestation (cutting down forests)

·        Pollution (from factories, vehicles, and waste)

·        Overuse of natural resources

How Does It Affect Human Life?

Rising sea levels

Coastal communities may flood or sink. Places like Tacloban and Palawan are at risk.

Stronger typhoons

Typhoons are now more intense — like Typhoon Yolanda, which devastated Visayas.

Food shortages

Farmers struggle to grow crops due to droughts or floods.

Water shortages

Clean drinking water may become limited in dry areas.

Health problems

Heat-related illnesses increase; diseases spread more easily.

Displacement

People lose their homes and are forced to move or become climate refugees.

Social Impacts

• Poorer communities suffer more because they lack the money and technology to adapt or recover.

• Indigenous peoples lose their ancestral lands and traditional way of life when the environment changes.

• There is now a strong global movement encouraging:

  • Renewable energy (solar, wind)

  • Conservation

  • Sustainable living

  • Climate education and activism

2. Transnational Migration and OFWs (Overseas Filipino Workers)

• Transnational migration is when people move across national borders to live or work in another country.

• In the Philippines, millions of citizens work abroad as OFWs to support their families through better income.

Why Do Filipinos Work Abroad?

Reason: Lack of local jobs

Explanation: Some regions have very few job opportunities.

Reason: Low wages in the Philippines

Explanation: Even skilled workers may earn very little locally.

Reason: Better opportunities abroad

Explanation: Foreign jobs offer higher pay, benefits, and training.

Reason: Support family’s future

Explanation: Parents want to give their children a better life.

Common OFW Jobs:

·        Nurses and caregivers (U.S., UK, Middle East)

·        Domestic helpers (Hong Kong, Saudi Arabia)

·        Engineers, seafarers, construction workers, teachers

Effects on Families and Society

Positive Effects:

·        Remittances: Money sent by OFWs helps families afford food, education, housing, and health care.

·        Boost to economy: The Philippine economy relies on billions of pesos from OFW earnings.

·        Improved standard of living for many families.

Challenges and Issues:

Problem: Family separation

Example/Effect: Children miss their parents; emotional strain on families.

Problem: Child development issues

Example/Effect: Some children grow up without close parental support.

Problem: Cultural adjustment

Example/Effect: OFWs must learn new customs, languages, or religions.

Problem: Abuse or exploitation

Example/Effect: Some OFWs face mistreatment by employers abroad.

Problem: Legal protection needed

Example/Effect: Governments must ensure OFWs’ rights are protected.

What Can Be Done?

For Climate Change:

·        Plant trees and protect forests.

·        Use eco-friendly habits (e.g., recycling, using less plastic).

·        Shift to renewable energy sources (like solar power).

·        Support climate education and activism.

For OFWs and Migration:

·        Create better job opportunities in the Philippines so fewer people have to leave.

·        Strengthen laws to protect Filipino workers abroad.

·        Offer counseling and support for OFW families.

·        Promote financial literacy among OFWs to help them manage savings and investment.