N
V
I
R
O
100

Cut all trees in a given area

clearcutting

100

when soil begins to erode

soil erosion

100

when animals lose the place they live

habitat loss
100

cutting patches of trees

patch cutting

100

plants making food using sunlight

photosynthesis

200

cutting specific trees in a given area

selective logging

200

the removal of forested areas

deforestation

200

collecting carbon

carbon sequestration

200

chemicals that kill pests

pesticides

200

controlled fires to manage forests

prescribed burns

300

when carbon is released when trees are cut down

releases stored carbon

300

when all the trees in an area are harvested

harvest all trees in an area

300

planting a lot of trees

reforestation

300

harmful substances in the air

air pollution
300

planting trees in cities

urban tree project

400

managing forests so that they can regrow and stay healthy forever

sustainable forestry

400

long term changes in the earth's weather

climate change

400

when you only remove a few trees from a given area

only a few trees removed

400

carbon dioxide that's released back into the atmosphere

co2

400
insect that kills pine trees

pine bark beetle

500

integrated pest management

ipm

500

the insect that eats and damages spruce and fir trees

spruce budworm

500

variety of life in an area

biodiversity

M
e
n
u