Human impact in the environment

If we could observed the earth from its natural satellite, it could be watched like a big and blue sphere in absolut calm. However, a lot of people ignore that the actual appearence of the earth is the result of mill ions years of:

• VOLCANIC ERUPTIONS• HURRICANES• EROSION FOR WATER AND

WIND• HUMAN ACTIVITY

Human impact

POPULATION

URBAN DEVELOPMENTTURISTIC ACTIVITY

INDUSTRY

LIVESTOCK

AGRICULTURE

EFFECTS IN THE ENVIRONMENT

• The population who inhabit an area, exercise their impacts in the environment trought of whole of productive activities like…

EFFECTS IN THE ENVIRONMENT

CONTAMINATION OF WATER, LAND AND AIR

LOST AND ALTERATION OF ECOSYSTEM

LOST OF BIODIVERSITY

CLIMATE CHANGE AND REDUCTION OF OZONE´S LAYER DIMINUTION OF DISPONIBILITY WATER

Environment problems

• All the elements of the environment are nearby relationed.

• The environment problems that affect an element, will have in every moment, a direct or indirect effect in all the rest of elements.

BIG CHANGES IN ENVIRONMENTIN THE WORLD

• COVERED FOREST ARE LOWER IN A 50% OF THEIR ORIGINAL EXTENSION.

• 70 % OF THE BANK OF SPECIES OF FISHES MOST IMPORTANT ,ARE EXPLOTED IN EXCESS.

• THE EARTH, EXPERIMENT THE SIX EXTINCTION MOST IMPORTANT OF SPECIES IN THE HISTORY, ASSOCIATED TO HUMAN DEVELOPMENT.

• ABOUT 25 MILLIONS OF TONS OF FERTILE LAND, ARE LOST EVERY YEAR IN THE WORLD.

BIG CHANGES IN MEXICO

• Near to 45 % of land, present a degradation caused for man.

• More than 80 % of natonal fishery are reaching to maximum improvement.

• 2583 species between plants and animals are considering in any risk category.

• It lost near to 37 % of the covered national forest.

The ecological footprint.

THIS CONCEPT SAYS THAT THE HUMANS, PLANTS AND ANIMALS WHO INHABIT THE PLANET,NEED FOOD, ENERGY AND WATER FOR LIVE.

THAT IS EQUAL LIKE WE NEED A “LITTLE BIT OF NATURE”.

HOWEVER, THIS NECESSITY HURTS OUR WORLD…

WHAT CAN I DO?

• THE REDUCTION OF ECOLOGICAL FOOTPRINT IS A WORK OF ALL PEOPLE.

• THERE ARE A LOT OF INDEPENDIENT GROUPS AND INTERNATIONAL INSTITUTIONS WHO WORK IN THIS PROBLEM.

• YOU NEED TO START IN YOUR COMMUNITY, FAMILY AND CONTEXT, WITH BASIC RULES LIKE : SAVE WATER, PLANT TREES, RECICLING, ETC.

BIBLIOGRAPHY AND WEB PAGES:

• Semarnat. ¿Y el medio ambiente? Problemas en México y el mundo.Semarnat. México. 2007

• http://www.wwf.org.mx/wwmex/he_cuestionario.php• http://www.earthday.net/footprint/index.asp