42 Scientific and technological services in the field of environmental science; technical consultancy in the field of environmental engineering; technical project studies in the field of carbon offsetting; environmental surveys; evaluation of environmental risks; quality control and authentication services; providing scientific information and advice with respect to carbon offsetting; design and development of computers and software; data encryption; conversion of computer programs and data, other than physical conversion; conversion of data or documents from physical to electronic media; rental of data center facilities; recovery of computer data; off-site data backup; computer programming services for data processing; development of computer platforms; electronic data storage; Software as a Service (SaaS); computer Platform as a Service (PaaS); designing and developing data processing programs for calculating carbon dioxide emissions; rental of data processing software for calculating carbon dioxide emissions; providing temporary use of online non-downloadable data processing software for calculating carbon dioxide emissions; preservation of data in computer databases in the emission offsetting sector; certification relating to energy consumption, energy saving, energy efficiency and carbon emission reduction