This seems to be a common problem for the env2. If you hold your charger a certain way in the phone does it charger? Is the charger port broken or damaged?
If so the easiest workaround is to get an external battery charger and extra battery to charge the phone.
Check out the following link for information on the battery charger and other options for the env2 charge issue.
Lg Env2 External Battery Charger Fix
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