How do the United States and Canada use their natural resources? What are the effects of the use of these resources?

That is a big, vague question. What natural resources: iron ore, forests, oil and gas, or what? Both countries harvest, mine, drill for, natural resources as needed for commerce. There are restrictions, sometimes, on where and how that can be done. Those restrictions may vary between Canada and the United States.

http://education.nationalgeographic.org/encyclopedia/north-america-resources/

http://en.wikipedia.org/wiki/Natural_Resources_Canada

i forgot to say oil

Well, okay. That does make a difference. Look up "North American oil extraction" on Google or whatever search engine you use and you'll find lots.

The United States and Canada both have abundant natural resources, and they use them in different ways based on their respective economies and environmental policies.

To understand how these countries use their natural resources, we can start by examining the types of resources they have. Both countries are known for their vast reserves of minerals, such as gold, copper, coal, and uranium, as well as extensive forests, fertile agricultural land, and access to bodies of water like rivers, lakes, and oceans.

1. Energy resources: Both the US and Canada heavily rely on fossil fuels for energy production. The United States is one of the world's largest consumers of petroleum and natural gas, while Canada is a major producer and exporter of oil and gas. These resources are used for electricity generation, transportation, heating, and various industrial processes.

2. Timber and forestry: Canada has massive forested areas and is a major exporter of timber products. These resources are used extensively in construction, furniture manufacturing, paper production, and other industries.

3. Agriculture: Both countries have rich agricultural land, and they utilize these resources to produce a wide variety of crops, including staple foods like wheat, corn, and soybeans. Agriculture contributes significantly to both nations' economies and helps meet domestic and international food demands.

4. Water resources: The US and Canada have access to vast reserves of freshwater from lakes, rivers, and underground aquifers. These resources are used for various purposes, such as drinking water supply, irrigation for agriculture, industrial processes, and recreational activities.

As for the effects of using these resources, there are both positive and negative impacts:

Positive effects:
- Economic growth: The utilization of natural resources contributes to the economic development of both countries, generating jobs and revenue through resource extraction, processing, and export.
- Energy security: Tapping into domestic energy resources enhances energy independence and reduces reliance on imports from other countries.
- Infrastructure development: Resource extraction often requires the construction of roads, pipelines, and other facilities, leading to improved infrastructure in many regions.
- Trade and export opportunities: Canada especially benefits from exporting its abundant resources to other countries, contributing to its export-oriented economy.

Negative effects:
- Environmental impact: Resource extraction and development can result in habitat destruction, deforestation, pollution, and loss of biodiversity. The extraction and consumption of fossil fuels contribute to greenhouse gas emissions and climate change.
- Indigenous rights and land disputes: In both countries, the extraction of natural resources sometimes intersects with Indigenous lands, leading to conflicts over rights, land use, and environmental impacts.
- Water scarcity: Excessive water use for agriculture or industrial processes can deplete local water supplies and impact ecosystems, particularly in regions experiencing drought or arid conditions.
- Natural disasters: Overexploitation of resources such as deforestation or improper mining practices can increase the vulnerability of regions to natural disasters like landslides or floods.

It's essential for both countries to balance resource utilization with sustainable practices, conservation efforts, and environmental regulations to mitigate negative impacts and maintain the long-term health of ecosystems.