The Earthline Publishers provides 100% waiver for article processing charges on manuscripts where the corresponding author is based in any of the following Low Income Countries :

Afghanistan
Burundi
Central African Republic
Congo, Dem. Rep.
Eritrea
Ethiopia
Guinea
Gambia, The
Guinea-Bissau
Liberia
Madagascar
Mali
Mozambique
Malawi
Niger
Korea, Dem. People's Rep.
Rwanda
Sudan
Sierra Leone
Somalia
South Sudan
Syrian Arab Republic
Chad
Togo
Uganda
Yemen, Rep.

The Earthline Publishers provides 50% waiver for article processing charges on manuscripts where the corresponding author is based in any of the following Lower Middle Income Countries:

Angola
Benin
Bangladesh
Belize
Bolivia
Bhutan
Burkina Faso
Côte d'Ivoire
Cameroon
Congo, Rep.
Comoros
Cabo Verde
Djibouti
Algeria
Egypt, Arab Rep.
Micronesia, Fed. Sts.
Ghana
Honduras
Haiti
Indonesia
Iran, Islamic Rep.
Kenya
Kyrgyz Republic
Cambodia
Kiribati
Lao PDR
Sri Lanka
Lesotho
Morocco
Myanmar
Mongolia
Mauritania
Nigeria
Nicaragua
Nepal
Pakistan
Philippines
Papua New Guinea
West Bank and Gaza
Senegal
Solomon Islands
El Salvador
São Tomé and Principe
Eswatini
Tajikistan
Timor-Leste
Tunisia
Tanzania
Ukraine
Uzbekistan
Vietnam
Vanuatu
Samoa
Zambia
Zimbabwe

The Earthline Publishers provides 25% waiver for article processing charges on manuscripts where the corresponding author is based in any of the following Upper Middle Income Countries:

Albania
Argentina
Armenia
American Samoa
Azerbaijan
Bulgaria
Bosnia and Herzegovina
Belarus
Brazil
Botswana
China
Colombia
Costa Rica
Cuba
Dominica
Dominican Republic
Ecuador
Fiji
Gabon
Georgia
Equatorial Guinea
Grenada
Guatemala
Guyana
Iraq
Jamaica
Jordan
Kazakhstan
Lebanon
Libya
St. Lucia
Moldova
Maldives
Mexico
Marshall Islands
North Macedonia
Montenegro
Mauritius
Malaysia
Namibia
Panama
Peru
Paraguay
Romania
Russian Federation
Serbia
Suriname
Thailand
Turkmenistan
Tonga
Turkey
Tuvalu
St. Vincent and the Grenadines
Kosovo
South Africa