Complex sentence: Assistance has taken the form of monetary donations to survivors of the 2010 earthquake in Haiti and 2011 tsunami in Japan and has also taking place domestically through local fundraising efforts for food pantries and homeless shelters that have depleted their resources.
Split into simpler sentences: Assistance has taken the form of monetary donations to survivors of the 2010 earthquake in Haiti and 2011 tsunami in Japan. It has also takeb place domestically through local fundraising efforts for food pantries and homeless shelters that have depleted their resources.