The document discusses global economy and sustainable development. It begins by defining global economy as the interconnected worldwide economic activities between countries that can have positive or negative impacts. It then discusses two types of economic globalization - protectionism and trade liberalization. Key factors affecting the global economy are also outlined such as natural resources, infrastructure, and technology. Sustainable development is then defined as economic development without compromising environmental quality for future generations. The four dimensions of sustainable development - society, environment, culture, and economy - are interrelated. Achieving sustainability requires balancing environmental, societal and economic concerns for improved quality of life.