L & S UNIT 3 2ND ED

relating to one person

• alternative

• carbon

• innovative

• individual

To use something less

• increase

• cut back on

• consume

• develop

To make a guess

• provide

• preserve

• develop

• estimate

to protect something

• disappear

• provide

• develop

• preserve

No longer visible

• gradual

• respond

• disappear

• defend

an effect

• alternative

• carbon

• efficient

• impact

use something up

• cut back on

• consume

• reduce

• common

something new

• innovation

• gradual

• common

• occur

to happen

• preserve

• defend

• occur

• prevent

slow

• efficient

• practical

• gradual

• grateful