AECT 2020 virtual convention COVID-19 Frederick Douglass Lydia Maria Child Pedagogical issues Richard Powers Robin Wall Kimmerer South Africa Teacher professional development Technological and infrastructure challenges affective counterpublics bic Book Industry Communication::J Society & social sciences::JN Education bic Book Industry Communication::J Society & social sciences::JN Education::JNM Higher & further education, tertiary education::JNMT Teacher training botanical culture campus protests cash crops collective agency coloniality communication data decolonization digital emancipated population horticulture montage montage methodology multispecies cooperation nationalist discourse plant geography plant intelligence