Google Earth 32-bit, Ubuntu 14.04:
1.
wget -O google-earth32.deb http://dl.google.com/dl/earth/client/current/google-earth-stable_current_i386.deb
2.
sudo dpkg -i google-earth32.deb
3.
sudo apt-get -f install; rm google-earth32.deb
Google Earth 64-bit, Ubuntu 14.04:
1.
wget -O google-earth64.deb http://dl.google.com/dl/earth/client/current/google-earth-stable_current_amd64.deb
2.
sudo dpkg -i google-earth64.deb
3.
sudo apt-get -f install; rm google-earth64.deb