Choose the correct word to complete the sentences

Drilling for oil has led to a . . . . . . of natural resources.

• deletion
• depletion
• subtraction
• contraction

Environmental groups are passionate about . . . . . . of the natural environment.

• reservation
• replacement
• preservation
• adjustment

Al Gore is leading a global . . . . . . for environmental awareness.

• operation
• attack
• campaign
• action

Sometimes, I . . . . . . for a simple life in the country.

• want
• choose
• desire
• yearn

Sunlight can be used as a form of ...... energy.

• renewable
• restorable
• repeatable
• reusable

I . . . . . . the thought of children breathing polluted air.

• tremble
• dread
• alarm
• fear

Global warming has . . . . . . my perspective on the weather.

• replaced
• changed
• renewed
• amended

It seems that some people simply lack the . . . . . . to recycle.

• inspiration
• motive
• purpose
• motivation

His explanation . . . . . . my mind somehow.

• lessened
• relieved
• relaxed
• eased

Once you start, it's relatively easy to . . . . . . to a 'green' lifestyle.

• stick
• hold
• abide
• fasten