Sustainable development 2nd year bac letters

The main goal is to meet the needs of the current generation without damaging the ability of future generations to meet their own needs. It focuses on balancing economic growth, social well-being, and environmental protection.

💡 À retenir : It is about balance between "now" and "the future".

1. Renewable energy comes from natural sources that never run out, such as solar, wind, and hydro energy.
2. Non-renewable energy comes from sources that will eventually run out, like coal, oil, and natural gas.

💡 À retenir : Renewable = infinite; Non-renewable = limited.

We can reduce our carbon footprint by:

1. Using public transport or bicycles instead of cars.
2. Conserving energy at home (turning off lights).
3. Recycling waste and reducing plastic use.
4. Eating more local and seasonal food.

💡 À retenir : Small daily actions lead to big environmental changes.

Global warming refers to the long-term increase in Earth's average temperature. It is mainly caused by human activities, such as burning fossil fuels, which release greenhouse gases into the atmosphere.

💡 À retenir : It leads to melting ice caps and extreme weather.

Green actions include:

• Planting trees (reforestation).
• Using solar panels.
• Recycling paper, glass, and plastic.
• Reducing water consumption.

💡 À retenir : "Green" means environmentally friendly.

Recycling helps to:

1. Reduce the amount of waste in landfills.
2. Save natural resources (like wood or metal).
3. Save energy used in manufacturing new products from raw materials.

💡 À retenir : It turns waste into new resources.

Biodiversity is the variety of all living things on Earth. It is important because it maintains the balance of ecosystems, provides food, medicine, and ensures the survival of all species, including humans.

💡 À retenir : No biodiversity = unstable planet.

Greenhouse gases (like $CO_2$) trap heat in the atmosphere. This "greenhouse effect" warms the planet, causing climate change, rising sea levels, and more frequent natural disasters.

💡 À retenir : Too much $CO_2$ = too much heat.

• Environment is a noun (le nom) : "We must protect the environment."
• Environmental is an adjective (l'adjectif) : "We face many environmental problems."

💡 À retenir : Use the adjective to describe a noun.

Lfarq houwa:

1. Renewable energy (énergie renouvelable) hiya li matatssalach, b7al chams (solar) w rri7 (wind).
2. Non-renewable energy (énergie non-renouvelable) hiya li katssala, b7al lpetrol w lfo7m (coal).

💡 À retenir : Renewable = matatssalach / Non-renewable = katssala.

Bach tkteb essay mzyan, tbe3 had lkhoutowat:

1. Introduction: 3ti fikra 3amma 3la l'environnement w lmochkil li ghadi thdar 3lih.
2. Body: Dir 2 awla 3 dyal l-paragraphes. Kol wahed fihom fikra (mital: l-pollution, l-solutions). Sta3mel des connecteurs (First, Second, Finally).
3. Conclusion: Khless lhadra dyalk w 3ti ra'y dyalk awla nasiha.

💡 À retenir : Organize your ideas with connectors.

L'importance dyalha hiya bach n3ichou lyoum mzyan (economy & social) bla ma nkhssr l'moukhdat dyal l'ard l-ajyal li jayin (future generations). Khassna n7afdo 3la l'bi'a bach l-moustaqbal ikoun mzyan.

💡 À retenir : It is about living well today and tomorrow.